8g2w

Cryo-EM structure of 3DVA component 2 of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase minus preQ1 ligand

Method: ELECTRON MICROSCOPY D_max: 152.9 Å Quality: GOOD

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1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA-directed RNA polymerase subunit alpha

Escherichia coli

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Other combination Heteromer Protein × 5 DNA 2 RNA 1 PDB declaration: octameric（8） Consistent with all polymer counts	Chain G； UniProt 1–234 Chain H； UniProt 1–234	Not recorded	DNA (39-MER) × 1 DNA (31-MER) × 1 DNA-directed RNA polymerase subunit beta × 1 （C3SIA7） ;DNA-directed RNA polymerase subunit beta' ; × 1 （C3SIA2） DNA-directed RNA polymerase subunit omega × 1 （P0A800） RNA (47-MER) × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.70 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 8G2W	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
8G00 Cryo-EM structure of 3DVA component 0 of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase minus preQ1 ligand Deposited 2023-01-31	Different construct Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain G 1–235（235 aa） Chain H 1–239（239 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.40 Å
8G1S Cryo-EM structure of 3DVA component 1 of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase minus preQ1 ligand Deposited 2023-02-02	Different construct Different experimental conditions	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain G 1–235（235 aa） Chain H 1–235（235 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5；50 mM TRIS-HCl, pH 7.5; 100 mM potassium chloride, 1mM cryo-EM vitrification conditions Cryogen ETHANE；Vitrification was carried out in a chamber with the temperature set to 4 C.	Resolution 3.70 Å
8G4W Cryo-EM consensus structure of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase plus preQ1 ligand Deposited 2023-02-10	Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain G 1–234（234 aa） Chain H 1–234（234 aa）	Not recorded	PRF 7-DEAZA-7-AMINOMETHYL-GUANINE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.80 Å
8G7E Cryo-EM structure of 3DVA component 0 of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase plus preQ1 ligand Deposited 2023-02-16	Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain G 1–234（234 aa） Chain H 1–234（234 aa）	Not recorded	PRF 7-DEAZA-7-AMINOMETHYL-GUANINE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.90 Å
8G8Z Cryo-EM structure of 3DVA component 1 of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase plus preQ1 ligand Deposited 2023-02-20	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain G 1–234（234 aa） Chain H 1–234（234 aa）	Not recorded	PRF 7-DEAZA-7-AMINOMETHYL-GUANINE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；Vitrification was carried out in a chamber with the temperature set to 4 C.	Resolution 4.30 Å
8PBL E. coli RNA polymerase elongation complex stalled at thymine dimer lesion Deposited 2023-06-09	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain D 1–235（235 aa） Chain E 1–235（235 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.87 Å
8T00 Reconstituted E. coli RNA polymerase post-termination complex on negatively-supercoiled DNA: closed duplex DNA (rPTCc) Deposited 2023-05-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 4 PDB declaration: hexameric	Chain G 4–237（234 aa） Chain H 4–237（234 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.69 Å
9N07 Mfd-bound E.coli RNA polymerase elongation complex + ADP-BeF3 - L1 state Deposited 2025-01-23	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain G 4–237（234 aa） Chain H 4–237（234 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.48 Å
9N11 Mfd-bound E.coli RNA polymerase elongation complex + ADP-BeF3 - L1.5 state Deposited 2025-01-24	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain G 4–237（234 aa） Chain H 4–237（234 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.29 Å

9 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	A0A5B9AW69_ECOLX
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain G； PDBConstruct 1–234； UniProt 1–234 Author chain H； PDBConstruct 1–234； UniProt 1–234

DNA-directed RNA polymerase subunit beta

Escherichia coli

UniProt C3SIA7

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Other combination Heteromer Protein × 5 DNA 2 RNA 1 PDB declaration: octameric（8） Consistent with all polymer counts	Chain I； UniProt 2–1341	Not recorded	DNA (39-MER) × 1 DNA (31-MER) × 1 DNA-directed RNA polymerase subunit alpha × 2 （A0A5B9AW69） ;DNA-directed RNA polymerase subunit beta' ; × 1 （C3SIA2） DNA-directed RNA polymerase subunit omega × 1 （P0A800） RNA (47-MER) × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.70 Å

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 8G2W	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
8G4W Cryo-EM consensus structure of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase plus preQ1 ligand Deposited 2023-02-10	Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain I 2–1341（1340 aa）	Not recorded	PRF 7-DEAZA-7-AMINOMETHYL-GUANINE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.80 Å
8G8Z Cryo-EM structure of 3DVA component 1 of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase plus preQ1 ligand Deposited 2023-02-20	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain I 2–1341（1340 aa）	Not recorded	PRF 7-DEAZA-7-AMINOMETHYL-GUANINE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；Vitrification was carried out in a chamber with the temperature set to 4 C.	Resolution 4.30 Å
8T00 Reconstituted E. coli RNA polymerase post-termination complex on negatively-supercoiled DNA: closed duplex DNA (rPTCc) Deposited 2023-05-31	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 4 PDB declaration: hexameric	Chain I 2–1341（1340 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.69 Å
8T0L E. coli Sw2/Snf2 ATPase RapA bound to both ADP-AlF3 and reconstituted E. coli RNA polymerase post-termination complex on negatively-supercoiled DNA Deposited 2023-06-01	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain I 2–1341（1340 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 AF3 ALUMINUM FLUORIDE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.62 Å
9DR1 E. coli RNA polymerase consensus volume with a bound fluoride riboswitch in the ligand-bound state Deposited 2024-09-24	Different experimental conditions	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain I 2–1341（1340 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5；5 mM Tris-HCl, pH 7.5, 100 mM KCl, 1 mM MgCl2 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
9M7Y Cryo-EM structure of gp79-dependent RNAP promoter open complex Deposited 2025-03-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain A 1–1342（1342 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
9M7Z Cryo-EM structure of gp79 bound RNAP core enzyme Deposited 2025-03-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–1342（1342 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.50 Å
9N07 Mfd-bound E.coli RNA polymerase elongation complex + ADP-BeF3 - L1 state Deposited 2025-01-23	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain I 2–1341（1340 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.48 Å
9N11 Mfd-bound E.coli RNA polymerase elongation complex + ADP-BeF3 - L1.5 state Deposited 2025-01-24	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain I 2–1341（1340 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.29 Å
9W3D Cryo-EM structure of E. coli RNA polymerase in complex with EP1 Deposited 2025-07-29	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–1342（1342 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
9W3E Cryo-EM structure of E. coli RNA polymerase in complex with PP1 Deposited 2025-07-29	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–1342（1342 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
9W3G Cryo-EM structure of E. coli RNA polymerase in complex with VP1 Deposited 2025-07-29	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 1–1342（1342 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å

12 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	C3SIA7_ECOLX
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain I； PDBConstruct 1–1340； UniProt 2–1341

;DNA-directed RNA polymerase subunit beta' ;

Escherichia coli

UniProt C3SIA2

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Other combination Heteromer Protein × 5 DNA 2 RNA 1 PDB declaration: octameric（8） Consistent with all polymer counts	Chain J； UniProt 16–1373	Not recorded	DNA (39-MER) × 1 DNA (31-MER) × 1 DNA-directed RNA polymerase subunit alpha × 2 （A0A5B9AW69） DNA-directed RNA polymerase subunit beta × 1 （C3SIA7） DNA-directed RNA polymerase subunit omega × 1 （P0A800） RNA (47-MER) × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.70 Å

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 8G2W	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
6Z9P Transcription termination intermediate complex 1 Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric	Chain Y 1–1407（1407 aa）	Not recorded	BEF BERYLLIUM TRIFLUORIDE ION × 5 ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
6Z9Q Transcription termination intermediate complex 2 Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric	Chain Y 1–1407（1407 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.70 Å
6Z9R Transcription termination intermediate complex 3 Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric	Chain Y 1–1407（1407 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
6Z9S Transcription termination intermediate complex 4 Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain Y 1–1407（1407 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
6Z9T Transcription termination intermediate complex 5 Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain Y 1–1407（1407 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
7ADB Transcription termination intermediate complex 1 delta NusG Deposited 2020-09-14	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain Y 1–1407（1407 aa）	Not recorded	BEF BERYLLIUM TRIFLUORIDE ION × 5 ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
7ADC Transcription termination intermediate complex 3 delta NusG Deposited 2020-09-14	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain Y 1–1407（1407 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
7ADD Transcription termination intermediate complex IIIa Deposited 2020-09-14	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain Y 1–1407（1407 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.30 Å
7ADE Transcription termination complex IVa Deposited 2020-09-14	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain Y 1–1407（1407 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
8ABZ RNA polymerase at U-rich pause bound to non-regulatory RNA - pause prone, closed clamp state Deposited 2022-07-05	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain D 1–1406（1406 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris-glutamate pH 8.0, 50 mM K-glutamate, 10 mM Mg-glutamate, 0.001 mM ZnCl2, 2mM DTT cryo-EM vitrification conditions Cryogen ETHANE；Quantifoil UltrAuFoil R1.2/1.3 300 mesh holey gold grids were plasma cleaned on a Model 1070 (Fischione Instruments) for 30 sec at 70% power and with an 80% Argon and 20% Oxygen mixture prior to the application of 0.004 ml of sample. Grids were plunge frozen into liquid ethane using a Vitrobot mark IV (FEI) with 95% chamber humidity at 283K.	Resolution 3.40 Å
8EG7 Cryo-EM structure of pre-consensus elemental paused elongation complex Deposited 2022-09-11	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 2–1407（1406 aa）	Not recorded	1N7 CHAPSO × 2 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 s	Resolution 3.20 Å
8EG8 Cryo-EM structure of consensus elemental paused elongation complex with a folded TL Deposited 2022-09-12	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 1–1406（1406 aa）	Not recorded	1N7 CHAPSO × 2 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 s	Resolution 3.30 Å
8EGB Cryo-EM structure of consensus elemental paused elongation complex with an unfolded TL Deposited 2022-09-12	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 2–1407（1406 aa）	Not recorded	1N7 CHAPSO × 2 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 s	Resolution 3.80 Å
8EH8 Cryo-EM structure of his-elemental paused elongation complex with a folded TL and a rotated RH-FL (1) Deposited 2022-09-13	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 2–1407（1406 aa）	Not recorded	MG MAGNESIUM ION × 1 1N7 CHAPSO × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3.5 s	Resolution 3.40 Å
8EH9 Cryo-EM structure of his-elemental paused elongation complex with a folded TL and a rotated RH-FL (2) Deposited 2022-09-13	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 2–1407（1406 aa）	Not recorded	MG MAGNESIUM ION × 1 1N7 CHAPSO × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3.5 s	Resolution 3.90 Å
8EHA Cryo-EM structure of his-elemental paused elongation complex with a folded TL and a rotated RH-FL (out) Deposited 2022-09-14	Different construct Different ligand/ion Different experimental conditions	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 2–1407（1406 aa）	Not recorded	MG MAGNESIUM ION × 1 1N7 CHAPSO × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3.5 s	Resolution 3.70 Å
8EHF Cryo-EM structure of his-elemental paused elongation complex with an unfolded TL (1) Deposited 2022-09-14	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 2–1407（1406 aa）	Not recorded	4QM (3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-pentan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triol × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3.5 s	Resolution 3.30 Å
8EHI Cryo-EM structure of his-elemental paused elongation complex with an unfolded TL (2) Deposited 2022-09-14	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 2–1407（1406 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3.5 s	Resolution 5.50 Å
8F3C Cryo-EM consensus structure of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase minus preQ1 ligand Deposited 2022-11-09	Different construct Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 1–1407（1407 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.40 Å
8G00 Cryo-EM structure of 3DVA component 0 of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase minus preQ1 ligand Deposited 2023-01-31	Different construct Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 1–1407（1407 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.40 Å
8G4W Cryo-EM consensus structure of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase plus preQ1 ligand Deposited 2023-02-10	Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain J 16–1373（1358 aa）	Not recorded	PRF 7-DEAZA-7-AMINOMETHYL-GUANINE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.80 Å
9M7Y Cryo-EM structure of gp79-dependent RNAP promoter open complex Deposited 2025-03-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain B 1–1407（1407 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
9M7Z Cryo-EM structure of gp79 bound RNAP core enzyme Deposited 2025-03-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–1407（1407 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.50 Å
9W3D Cryo-EM structure of E. coli RNA polymerase in complex with EP1 Deposited 2025-07-29	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain D 1–1407（1407 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
9W3E Cryo-EM structure of E. coli RNA polymerase in complex with PP1 Deposited 2025-07-29	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain D 1–1407（1407 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
9W3G Cryo-EM structure of E. coli RNA polymerase in complex with VP1 Deposited 2025-07-29	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain D 1–1407（1407 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å

26 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	C3SIA2_ECOLX
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain J； PDBConstruct 1–1358； UniProt 16–1373

DNA-directed RNA polymerase subunit omega

Escherichia coli

UniProt P0A800

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Other combination Heteromer Protein × 5 DNA 2 RNA 1 PDB declaration: octameric（8） Consistent with all polymer counts	Chain K； UniProt 2–80	Not recorded	DNA (39-MER) × 1 DNA (31-MER) × 1 DNA-directed RNA polymerase subunit alpha × 2 （A0A5B9AW69） DNA-directed RNA polymerase subunit beta × 1 （C3SIA7） ;DNA-directed RNA polymerase subunit beta' ; × 1 （C3SIA2） RNA (47-MER) × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.70 Å

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 8G2W	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
10MA Closed Eco-ePEC: Cryo-EM structure of Eco RNAP his-elemental paused elongation complex with a closed active site (closed TL, SI3 and RH-FL) Deposited 2026-01-27	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	1N7 CHAPSO × 2 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
10MB Open1 Eco-ePEC: Cryo-EM structure of Eco RNAP his-elemental paused elongation complex with an open active site (open TL, SI3 and RH-FL) Deposited 2026-01-27	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	1N7 CHAPSO × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
10MC Open2 Eco-ePEC: Cryo-EM structure of Eco RNAP his-elemental paused elongation complex with an open active site (open TL, SI3 and RH-FL) Deposited 2026-01-27	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	1N7 CHAPSO × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.80 Å
10MD Open3 Eco-ePEC: Cryo-EM structure of Eco RNAP his-elemental paused elongation complex with an open active site (open TL, SI3 and RH-FL) Deposited 2026-01-27	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	1N7 CHAPSO × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.80 Å
3IYD Three-dimensional EM structure of an intact activator-dependent transcription initiation complex Deposited 2009-08-01	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain E 2–91（90 aa）	Not recorded	CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 2	ELECTRON MICROSCOPY cryo-EM buffer 25 mM HEPES, 100 mM KCl, 10 mM MgCl2, 1 mM DTT, 0.2 mM cAMP；pH 8；25 mM HEPES, 100 mM KCl, 10 mM MgCl2, 1 mM DTT, 0.2 mM cAMP	Resolution 19.80 Å
3LU0 Molecular model of Escherichia coli core RNA polymerase Deposited 2010-02-16	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer Tris-HCl；pH 8；Tris-HCl cryo-EM vitrification conditions Cryogen ETHANE	Resolution 11.20 Å
4KMU X-ray crystal structure of the Escherichia coli RNA polymerase in complex with Rifampin Deposited 2013-05-08	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	RFP RIFAMPICIN × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；300 K；0.1 M HEPES-HCl, pH 7.0, 0.2 M calcium acetate, ~15% PEG400, 10 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 3.85 Å R-free 0.321
4KMU X-ray crystal structure of the Escherichia coli RNA polymerase in complex with Rifampin Deposited 2013-05-08	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain J 1–91（91 aa）	Not recorded	RFP RIFAMPICIN × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；300 K；0.1 M HEPES-HCl, pH 7.0, 0.2 M calcium acetate, ~15% PEG400, 10 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 3.85 Å R-free 0.321
4KN4 X-ray crystal structure of the Escherichia coli RNA polymerase in complex with Benzoxazinorifamycin-2b Deposited 2013-05-08	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	1RL Benzoxazinorifamycin-2b × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；300 K；0.1 M HEPES-HCl, pH 7.0, 0.2 M calcium acetate, ~15% PEG400, 10 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 3.96 Å R-free 0.315
4KN4 X-ray crystal structure of the Escherichia coli RNA polymerase in complex with Benzoxazinorifamycin-2b Deposited 2013-05-08	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain J 1–91（91 aa）	Not recorded	1RL Benzoxazinorifamycin-2b × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；300 K；0.1 M HEPES-HCl, pH 7.0, 0.2 M calcium acetate, ~15% PEG400, 10 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 3.96 Å R-free 0.315
4KN7 X-ray crystal structure of the Escherichia coli RNA polymerase in complex with Benzoxazinorifamycin-2c Deposited 2013-05-08	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	1RM Benzoxazinorifamycin-2c × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；300 K；0.1 M HEPES-HCl, pH 7.0, 0.2 M calcium acetate, ~15% PEG400, 10 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 3.69 Å R-free 0.309
4KN7 X-ray crystal structure of the Escherichia coli RNA polymerase in complex with Benzoxazinorifamycin-2c Deposited 2013-05-08	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain J 1–91（91 aa）	Not recorded	1RM Benzoxazinorifamycin-2c × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；300 K；0.1 M HEPES-HCl, pH 7.0, 0.2 M calcium acetate, ~15% PEG400, 10 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 3.69 Å R-free 0.309
4MEX Crystal structure of Escherichia coli RNA polymerase in complex with salinamide A Deposited 2013-08-27	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；0.1M HEPES, 0.2M calcium chloride, 18% PEG400, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 3.90 Å R-free 0.325
4MEX Crystal structure of Escherichia coli RNA polymerase in complex with salinamide A Deposited 2013-08-27	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；0.1M HEPES, 0.2M calcium chloride, 18% PEG400, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 3.90 Å R-free 0.325
4MEY Crystal structure of Escherichia coli RNA polymerase holoenzyme Deposited 2013-08-27	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；0.1M HEPES, 0.2M calcium chloride, 18% PEG400, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 3.95 Å R-free 0.325
4MEY Crystal structure of Escherichia coli RNA polymerase holoenzyme Deposited 2013-08-27	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；0.1M HEPES, 0.2M calcium chloride, 18% PEG400, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 3.95 Å R-free 0.325
4ZH2 Crystal structure of Escherichia coli RNA polymerase in complex with CBR703 Deposited 2015-04-24	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	4OB N-hydroxy-N'-phenyl-3-(trifluoromethyl)benzenecarboximidamide × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；0.1 M HEPES, 0.2 M calcium chloride, 18% PEG400	Resolution 4.20 Å R-free 0.288
4ZH2 Crystal structure of Escherichia coli RNA polymerase in complex with CBR703 Deposited 2015-04-24	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	4OB N-hydroxy-N'-phenyl-3-(trifluoromethyl)benzenecarboximidamide × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；0.1 M HEPES, 0.2 M calcium chloride, 18% PEG400	Resolution 4.20 Å R-free 0.288
4ZH3 Crystal structure of Escherichia coli RNA polymerase in complex with CBRH16-Br Deposited 2015-04-24	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2 4OD N'-(3-bromophenyl)-4-fluoro-N-hydroxy-3-(trifluoromethyl)benzenecarboximidamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；0.1 M HEPES, 0.2 M calcium chloride, 18% PEG400	Resolution 4.08 Å R-free 0.267
4ZH3 Crystal structure of Escherichia coli RNA polymerase in complex with CBRH16-Br Deposited 2015-04-24	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2 4OD N'-(3-bromophenyl)-4-fluoro-N-hydroxy-3-(trifluoromethyl)benzenecarboximidamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；0.1 M HEPES, 0.2 M calcium chloride, 18% PEG400	Resolution 4.08 Å R-free 0.267
4ZH4 Crystal structure of Escherichia coli RNA polymerase in complex with CBRP18 Deposited 2015-04-24	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	4OE 5-(4-fluorophenyl)-4-[4-fluoro-3-(trifluoromethyl)phenyl]-1H-pyrazole × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；0.1 M HEPES, 0.2 M calcium chloride, 18% PEG400	Resolution 3.99 Å R-free 0.283
4ZH4 Crystal structure of Escherichia coli RNA polymerase in complex with CBRP18 Deposited 2015-04-24	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	4OE 5-(4-fluorophenyl)-4-[4-fluoro-3-(trifluoromethyl)phenyl]-1H-pyrazole × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；0.1 M HEPES, 0.2 M calcium chloride, 18% PEG400	Resolution 3.99 Å R-free 0.283
5EZK RNA polymerase model placed by Molecular replacement into X-ray diffraction map of DNA-bound RNA Polymerase-Sigma 54 holoenzyme complex. Deposited 2015-11-26	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；8% PGA-LM, 300mM Ammonium Formate, 100mM Hepes	Resolution 8.50 Å R-free 0.470
5IPL SigmaS-transcription initiation complex with 4-nt nascent RNA Deposited 2016-03-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–91（90 aa）	Not recorded	DPO DIPHOSPHATE × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.8；295 K；PEG3350, sodium chloride, HEPES	Resolution 3.60 Å R-free 0.293
5IPM SigmaS-transcription initiation complex with 4-nt nascent RNA Deposited 2016-03-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–91（90 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.20 Å R-free 0.330
5IPN SigmaS-transcription initiation complex with 4-nt nascent RNA Deposited 2016-03-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–91（90 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.61 Å R-free 0.345
5MS0 pseudo-atomic model of the RNA polymerase lambda-based antitermination complex solved by cryo-EM Deposited 2016-12-29	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 10 PDB declaration: tetradecameric	Chain O 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.80 Å
5NSR Cryo-EM structure of RNA polymerase-sigma54 holo enzyme with promoter DNA closed complex Deposited 2017-04-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
5NSS Cryo-EM structure of RNA polymerase-sigma54 holoenzyme with promoter DNA and transcription activator PspF intermedate complex Deposited 2017-04-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 12 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.80 Å
5NWT Crystal Structure of Escherichia coli RNA polymerase - Sigma54 Holoenzyme complex Deposited 2017-05-08	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.9；291 K；9% PEG8000, 18% Ethylene glycol, 100mM Sodium HEPES/MOPS Buffer, 0.03M NaF, 0.03M NaBr, 0.03M NaI, 0-10mM DTT	Resolution 3.76 Å R-free 0.370
5UAC Escherichia coli RNA polymerase and Rifampin complex, wild-type Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	RFP RIFAMPICIN × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 3.80 Å R-free 0.295
5UAC Escherichia coli RNA polymerase and Rifampin complex, wild-type Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 3.80 Å R-free 0.295
5UAG Escherichia coli RNA polymerase mutant - RpoB D516V Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 3.40 Å R-free 0.311
5UAG Escherichia coli RNA polymerase mutant - RpoB D516V Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 3.40 Å R-free 0.311
5UAH Escherichia coli RNA polymerase and Rifampin complex, RpoB D516V mutant Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	RFP RIFAMPICIN × 1 MG MAGNESIUM ION × 2 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 4.10 Å R-free 0.287
5UAH Escherichia coli RNA polymerase and Rifampin complex, RpoB D516V mutant Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 4.10 Å R-free 0.287
5UAJ Escherichia coli RNA polymerase RpoB S531L mutant Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 3.92 Å R-free 0.307
5UAJ Escherichia coli RNA polymerase RpoB S531L mutant Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 3.92 Å R-free 0.307
5UAL Escherichia coli RNA polymerase and Rifampin complex, RpoB S531L mutant Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	RFP RIFAMPICIN × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 3.89 Å R-free 0.286
5UAL Escherichia coli RNA polymerase and Rifampin complex, RpoB S531L mutant Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 3.89 Å R-free 0.286
5UAQ Escherichia coli RNA polymerase RpoB H526Y mutant Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 3.60 Å R-free 0.305
5UAQ Escherichia coli RNA polymerase RpoB H526Y mutant Deposited 2016-12-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 3.60 Å R-free 0.305
5VSW X-ray crystal structure of Escherichia coli RNA polymerase and DksA/ppGpp complex Deposited 2017-05-12	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 3 G4P GUANOSINE-5',3'-TETRAPHOSPHATE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES (pH 7.0), 0.2 M calcium acetate, 25 % PEG400, 10 mM DTT	Resolution 4.29 Å R-free 0.259
5VSW X-ray crystal structure of Escherichia coli RNA polymerase and DksA/ppGpp complex Deposited 2017-05-12	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2 G4P GUANOSINE-5',3'-TETRAPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；300 K；0.1 M HEPES (pH 7.0), 0.2 M calcium acetate, 25 % PEG400, 10 mM DTT	Resolution 4.29 Å R-free 0.259
5VT0 Escherichia coli 6S RNA derivative in complex with Escherichia coli RNA polymerase sigma70-holoenzyme Deposited 2017-05-15	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 6 PDB declaration: heptameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.78 Å
5W1S X-ray crystal structure of Escherichia coli RNA polymerase and TraR complex Deposited 2017-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；0.1M HEPES-HCL (PH7), 0.2M Ca-ACETATE, 15% PEG400	Resolution 3.81 Å R-free 0.262
5W1S X-ray crystal structure of Escherichia coli RNA polymerase and TraR complex Deposited 2017-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；0.1M HEPES-HCL (PH7), 0.2M Ca-ACETATE, 15% PEG400	Resolution 3.81 Å R-free 0.262
5W1T X-ray crystal structure of Escherichia coli RNA polymerase and DksA complex Deposited 2017-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；0.1M HEPES-HCL (PH7), 0.2M CA-ACETATE, 15% PEG400	Resolution 4.50 Å R-free 0.276
5W1T X-ray crystal structure of Escherichia coli RNA polymerase and DksA complex Deposited 2017-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；0.1M HEPES-HCL (PH7), 0.2M CA-ACETATE, 15% PEG400	Resolution 4.50 Å R-free 0.276
6ALF CryoEM structure of crosslinked E.coli RNA polymerase elongation complex Deposited 2017-08-07	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–80（80 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris pH8.0, 150 mM KCl, 5mM MgCl2, 5mM DTT cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
6ALG CryoEM structure of HK022 Nun - E.coli RNA polymerase elongation complex Deposited 2017-08-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris pH8.0, 150 mM Potassium Chloride, 5 mM Magnesium Chloride, 5 mM Dithreitol cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
6ALH CryoEM structure of E.coli RNA polymerase elongation complex Deposited 2017-08-07	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–80（80 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris pH8.0, 150 mM KCl, 5mM MgCl2, 5mM DTT cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
6ASX CryoEM structure of E.coli his pause elongation complex Deposited 2017-08-25	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–84（84 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris pH8.0, 150 mM potassium glutamate, 5 mM MgCl2, 5 mM DTT cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6BJS CryoEM structure of E.coli his pause elongation complex without pause hairpin Deposited 2017-11-06	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris pH8.0, 150 mM potassium glutamate, 5 mM MgCl2, 5 mM DTT cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.50 Å
6BYU X-ray crystal structure of Escherichia coli RNA polymerase (RpoB-H526Y) and ppApp complex Deposited 2017-12-21	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	ECJ (5R)-5-(6-amino-9H-purin-9-yl)-2-({[(S)-hydroxy(phosphonooxy)phosphoryl]oxy}methyl)-4-oxo-4,5-dihydrofuran-3-yl trihydrogen diphosphate × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M MgCl2, 30% PEG400, 10 mM DTT	Resolution 3.60 Å R-free 0.311
6BYU X-ray crystal structure of Escherichia coli RNA polymerase (RpoB-H526Y) and ppApp complex Deposited 2017-12-21	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	ECJ (5R)-5-(6-amino-9H-purin-9-yl)-2-({[(S)-hydroxy(phosphonooxy)phosphoryl]oxy}methyl)-4-oxo-4,5-dihydrofuran-3-yl trihydrogen diphosphate × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；300 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M MgCl2, 30% PEG400, 10 mM DTT	Resolution 3.60 Å R-free 0.311
6C6S CryoEM structure of E.coli RNA polymerase elongation complex bound with RfaH Deposited 2018-01-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
6C6T CryoEM structure of E.coli RNA polymerase elongation complex bound with RfaH Deposited 2018-01-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
6C6U CryoEM structure of E.coli RNA polymerase elongation complex bound with NusG Deposited 2018-01-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
6C9Y Cryo-EM structure of E. coli RNAP sigma70 holoenzyme Deposited 2018-01-29	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.25 Å
6CA0 Cryo-EM structure of E. coli RNAP sigma70 open complex Deposited 2018-01-29	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: decameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.75 Å
6CUX Escherichia coli RpoB S531L mutant RNA polymerase holoenzyme in complex with Kanglemycin A Deposited 2018-03-26	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	KNG Kanglemycin A × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 4.10 Å R-free 0.255
6CUX Escherichia coli RpoB S531L mutant RNA polymerase holoenzyme in complex with Kanglemycin A Deposited 2018-03-26	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；0.1 M HEPES-HCl (pH 6.7), 0.2 M Ca Acetate, 30% PEG400, 10 mM DTT	Resolution 4.10 Å R-free 0.255
6FLP CryoEM structure of E.coli RNA polymerase paused elongation complex without RNA hairpin bound to NusA Deposited 2018-01-26	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
6FLQ CryoEM structure of E.coli RNA polymerase paused elongation complex bound to NusA Deposited 2018-01-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
6GFW Cryo-EM structure of bacterial RNA polymerase-sigma54 holoenzyme initial transcribing complex Deposited 2018-05-02	Different construct Different oligomeric state Different ligand/ion Different experimental conditions	Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
6GH5 Cryo-EM structure of bacterial RNA polymerase-sigma54 holoenzyme transcription open complex Deposited 2018-05-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
6GH6 Cryo-EM structure of bacterial RNA polymerase-sigma54 holoenzyme intermediate partially loaded complex Deposited 2018-05-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
6JBQ CryoEM structure of Escherichia coli sigmaE transcription initiation complex containing 5nt of RNA Deposited 2019-01-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.02 Å
6JNX Cryo-EM structure of a Q-engaged arrested complex Deposited 2019-03-18	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 8 PDB declaration: undecameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.08 Å
6K4Y CryoEM structure of sigma appropriation complex Deposited 2019-05-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.9 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.79 Å
6KJ6 cryo-EM structure of Escherichia coli Crl transcription activation complex Deposited 2019-07-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 7 PDB declaration: decameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；blot for 8 seconds before plunging	Resolution 3.80 Å
6LDI The cryo-EM structure of E. coli CueR transcription activation complex Deposited 2019-11-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 8 PDB declaration: undecameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1 AG SILVER ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.69 Å
6N4C EM structure of the DNA wrapping in bacterial open transcription initiation complex Deposited 2018-11-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain E 2–91（90 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.9	Resolution 17.00 Å
6N57 Cryo-EM structure of Escherichia coli RNAP polymerase bound with TraR in conformation I Deposited 2018-11-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain K 1–91（91 aa）	Not recorded	1N7 CHAPSO × 4 ZN ZINC ION × 3 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
6N58 Cryo-EM structure of Escherichia coli RNAP polymerase bound with TraR in conformation II Deposited 2018-11-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain K 1–91（91 aa）	Not recorded	1N7 CHAPSO × 4 MG MAGNESIUM ION × 1 ZN ZINC ION × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.78 Å
6N60 Escherichia coli RNA polymerase sigma70-holoenzyme bound to upstream fork promoter DNA and Microcin J25 (MccJ25) Deposited 2018-11-23	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；295 K；0.1 M HEPES, pH 6.7, 0.2 M magnesium chloride, 7% w/v PEG3350, 4% v/v glycerol	Resolution 3.68 Å R-free 0.306
6N61 Escherichia coli RNA polymerase sigma70-holoenzyme bound to upstream fork promoter DNA and Capistruin Deposited 2018-11-24	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–90（90 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；295 K；0.1 M HEPES, pH 6.8, 0.2 M magnesium chloride, 7% w/v PEG3350, 4% v/v glycerol, 4% v/v ethylene glycol	Resolution 3.25 Å R-free 0.316
6P18 Q21 transcription antitermination complex: loading complex Deposited 2019-05-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 8 PDB declaration: undecameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
6P19 Q21 transcription antitermination complex: loaded complex Deposited 2019-05-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6R9G Structural basis of transcription inhibition by the DNA mimic Ocr protein of bacteriophage T7 Deposited 2019-04-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain E 1–80（80 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
6RI7 Cryo-EM structure of E. coli RNA polymerase elongation complex bound to GreB transcription factor Deposited 2019-04-23	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
6RI9 Cryo-EM structure of E. coli RNA polymerase backtracked elongation complex in non-swiveled state Deposited 2019-04-23	Different construct Different ligand/ion Different experimental conditions	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
6RIN Cryo-EM structure of E. coli RNA polymerase backtracked elongation complex bound to GreB transcription factor Deposited 2019-04-24	Different construct Different oligomeric state Different ligand/ion Different experimental conditions	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
6RIP Cryo-EM structure of E. coli RNA polymerase backtracked elongation complex in swiveled state Deposited 2019-04-24	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
6TQN rrn anti-termination complex without S4 Deposited 2019-12-17	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 11 PDB declaration: tetradecameric	Chain W 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 3 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6TQO rrn anti-termination complex Deposited 2019-12-17	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain W 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 3 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6UTV E. coli sigma-S transcription initiation complex with a 6-nt RNA ("Fresh" crystal soaked with CTP, UTP, GTP, and ddATP for 150 seconds) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2 DPO DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 3.45 Å R-free 0.348
6UTW E. coli sigma-S transcription initiation complex with a 4-nt RNA ("Fresh" crystal) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2 DPO DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 3.85 Å R-free 0.329
6UTX E. coli sigma-S transcription initiation complex with an empty bubble ("Old" crystal) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain EEE 2–91（90 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.05 Å R-free 0.349
6UTY E. coli sigma-S transcription initiation complex with a mismatching CTP ("Old" crystal soaked with CTP for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain EEE 2–91（90 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 2 CTP CYTIDINE-5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.15 Å R-free 0.370
6UTZ E. coli sigma-S transcription initiation complex with a 6-nt RNA ("Fresh" crystal soaked with CTP and UTP for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 DPO DIPHOSPHATE × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 3.80 Å R-free 0.343
6UU0 E. coli sigma-S transcription initiation complex with a 3-nt RNA and a mismatching GTP ("Fresh" crystal soaked with GTP for 1 hour) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 3.90 Å R-free 0.368
6UU1 E. coli sigma-S transcription initiation complex with a 4-nt RNA and a CTP ("Fresh" crystal soaked with CTP, GTP, and ddTTP for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 2 CTP CYTIDINE-5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.10 Å R-free 0.396
6UU2 E. coli sigma-S transcription initiation complex with 3-nt RNA ("Old" crystal soaked with GTP and ATP for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.40 Å R-free 0.363
6UU3 E. coli sigma-S transcription initiation complex with a 4-nt RNA and a CTP ("Old" crystal soaked with GTP, ATP, CTP, and ddTTP for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 2 CTP CYTIDINE-5'-TRIPHOSPHATE × 1 D4M [(5R)-5-(5-METHYL-2,4-DIOXO-3,4-DIHYDROPYRIMIDIN-1(2H)-YL)-2,5-DIHYDROFURAN-2-YL]METHYL DIHYDROGEN PHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.00 Å R-free 0.380
6UU4 E. coli sigma-S transcription initiation complex with a 3-nt RNA ("old" crystal soaked with GTP and dinucleotide GpA for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.30 Å R-free 0.364
6UU5 E. coli sigma-S transcription initiation complex with a 6-nt RNA ("Old" crystal soaked with GTP, UTP, CTP, and dinucleotide GpA for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 2 DPO DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 5.40 Å R-free 0.362
6UU6 E. coli sigma-S transcription initiation complex with a 4-nt RNA and a UTP ("Old" crystal soaked with UTP, ddCTP, and dinucleotide ApG for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	UTP URIDINE 5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.20 Å R-free 0.389
6UU7 E. coli sigma-S transcription initiation complex with a 6-nt RNA and an NTP ("Old" crystal soaked with UTP, CTP, ddGTP, and dinucleotide ApG for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 2 DG3 2'-3'-DIDEOXYGUANOSINE-5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.40 Å R-free 0.390
6UU8 E. coli mutant sigma-S transcription initiation complex with a 7-nt RNA ("Fresh" mutant crystal soaked with GTP, UTP, and CTP for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2 DPO DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.40 Å R-free 0.380
6UU9 E. coli mutant sigma-S transcription initiation complex with an 8-nt RNA ("Fresh" mutant crystal soaked with GTP, UTP, CTP, and ddATP for 30 minutes) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 2 2DA 2',3'-DIDEOXYADENOSINE-5'-MONOPHOSPHATE × 1 DPO DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 5.40 Å R-free 0.362
6UUA E. coli sigma-S transcription initiation complex with a mismatching CTP ("Fresh" crystal soaked with CTP for 2 hours) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain EEE 2–91（90 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 2 CTP CYTIDINE-5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.00 Å R-free 0.365
6UUB E. coli sigma-S transcription initiation complex with a mismatching UTP ("Fresh" crystal soaked with UTP for 2 hours) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain EEE 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2 UTP URIDINE 5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 3.96 Å R-free 0.375
6UUC E. coli sigma-S transcription initiation complex with a 3-nt RNA and a mismatching ATP ("Fresh" crystal soaked with ATP for 2 hours) Deposited 2019-10-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain EEE 2–91（90 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；PEG3350, sodium chloride, HEPES	Resolution 4.10 Å R-free 0.380
6XAS CryoEM Structure of E. coli Rho-dependent Transcription Pre-termination Complex Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain W 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6XAV CryoEM Structure of E. coli Rho-dependent Transcription Pre-termination Complex bound with NusG Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric	Chain W 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.70 Å
6Z9P Transcription termination intermediate complex 1 Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric	Chain W 1–91（91 aa）	Not recorded	BEF BERYLLIUM TRIFLUORIDE ION × 5 ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
6Z9Q Transcription termination intermediate complex 2 Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric	Chain W 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.70 Å
6Z9R Transcription termination intermediate complex 3 Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric	Chain W 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
6Z9S Transcription termination intermediate complex 4 Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain W 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
6Z9T Transcription termination intermediate complex 5 Deposited 2020-06-04	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain W 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
6ZTJ E. coli 70S-RNAP expressome complex in NusG-coupled state (38 nt intervening mRNA) Deposited 2020-07-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 66-meric	Chain CE 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 479 PHE PHENYLALANINE × 1 ZN ZINC ION × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
6ZTL E. coli 70S-RNAP expressome complex in collided state bound to NusG Deposited 2020-07-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 54 PDB declaration: 62-meric	Chain CE 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 441 PHE PHENYLALANINE × 1 ZN ZINC ION × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
6ZTN E. coli 70S-RNAP expressome complex in NusG-coupled state (42 nt intervening mRNA) Deposited 2020-07-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 54 PDB declaration: 63-meric	Chain CE 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 487 PHE PHENYLALANINE × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
6ZTO E. coli 70S-RNAP expressome complex in uncoupled state 1 Deposited 2020-07-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 54 PDB declaration: 62-meric	Chain CE 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 487 PHE PHENYLALANINE × 1 ZN ZINC ION × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
6ZTP E. coli 70S-RNAP expressome complex in uncoupled state 6 Deposited 2020-07-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 54 PDB declaration: 62-meric	Chain CE 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 487 PHE PHENYLALANINE × 1 ZN ZINC ION × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
6ZU1 E. coli 70S-RNAP expressome complex in uncoupled state 2 Deposited 2020-07-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 54 PDB declaration: 62-meric	Chain CE 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 487 PHE PHENYLALANINE × 1 ZN ZINC ION × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
7ADB Transcription termination intermediate complex 1 delta NusG Deposited 2020-09-14	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain W 1–91（91 aa）	Not recorded	BEF BERYLLIUM TRIFLUORIDE ION × 5 ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
7ADC Transcription termination intermediate complex 3 delta NusG Deposited 2020-09-14	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain W 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
7ADD Transcription termination intermediate complex IIIa Deposited 2020-09-14	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain W 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.30 Å
7ADE Transcription termination complex IVa Deposited 2020-09-14	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric	Chain W 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 6 BEF BERYLLIUM TRIFLUORIDE ION × 5 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
7BEF Structures of class II bacterial transcription complexes Deposited 2020-12-23	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris pH 8, 50 mM NaCl cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.50 Å
7BEG Structures of class I bacterial transcription complexes Deposited 2020-12-23	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris pH 8, 50 mM NaCl cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
7C17 The cryo-EM structure of E. coli CueR transcription activation complex with fully duplex promoter DNA Deposited 2020-05-02	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1 AG SILVER ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.22 Å
7KHB Escherichia coli RNA polymerase and rrnBP1 promoter open complex Deposited 2020-10-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	1N7 CHAPSO × 2 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.53 Å
7KHC Escherichia coli RNA polymerase and rrnBP1 promoter closed complex Deposited 2020-10-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: decameric	Chain E 1–91（91 aa）	Not recorded	POP PYROPHOSPHATE 2- × 1 1N7 CHAPSO × 2 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.14 Å
7KHE Escherichia coli RNA polymerase and rrnBP1 promoter pre-open complex with DksA/ppGpp Deposited 2020-10-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	1N7 CHAPSO × 4 MG MAGNESIUM ION × 1 ZN ZINC ION × 3 G4P GUANOSINE-5',3'-TETRAPHOSPHATE × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.58 Å
7KHI Escherichia coli RNA polymerase and rrnBP1 promoter complex with DksA/ppGpp Deposited 2020-10-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	1N7 CHAPSO × 4 MG MAGNESIUM ION × 1 ZN ZINC ION × 3 G4P GUANOSINE-5',3'-TETRAPHOSPHATE × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.62 Å
7MKN Escherichia coli RNA polymerase and RapA elongation complex Deposited 2021-04-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2 2TM 5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]cytidine × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
7MKO Escherichia coli RNA polymerase elongation complex Deposited 2021-04-26	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2 2TM 5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]cytidine × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.15 Å
7MKP Escherichia coli RNA polymerase core enzyme Deposited 2021-04-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.41 Å
7MKQ Escherichia coli RNA polymerase and RapA binary complex Deposited 2021-04-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.80 Å
7PY0 CryoEM structure of E.coli RNA polymerase elongation complex bound to NusG (NusG-EC in more-swiveled conformation) Deposited 2021-10-08	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.50 Å
7PY1 CryoEM structure of E.coli RNA polymerase elongation complex bound to NusG (the consensus NusG-EC) Deposited 2021-10-08	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
7PY3 CryoEM structure of E.coli RNA polymerase elongation complex bound to NusA (the consensus NusA-EC) Deposited 2021-10-08	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
7PY5 CryoEM structure of E.coli RNA polymerase elongation complex bound to NusA and NusG (the consensus NusA-NusG-EC) Deposited 2021-10-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 7 PDB declaration: decameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
7PY6 CryoEM structure of E.coli RNA polymerase elongation complex bound to NusA and NusG (NusA and NusG elongation complex in less-swiveled conformation) Deposited 2021-10-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 7 PDB declaration: decameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
7PY7 CryoEM structure of E.coli RNA polymerase elongation complex bound to NusA and NusG (NusA and NusG elongation complex in more-swiveled conformation) Deposited 2021-10-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 7 PDB declaration: decameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
7PY8 CryoEM structure of E.coli RNA polymerase elongation complex bound to NusG (NusG-EC in less-swiveled conformation) Deposited 2021-10-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
7PYJ CryoEM structure of E.coli RNA polymerase elongation complex bound to NusA (NusA elongation complex in less-swiveled conformation) Deposited 2021-10-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
7PYK CryoEM structure of E.coli RNA polymerase elongation complex bound to NusA (NusA elongation complex in more-swiveled conformation) Deposited 2021-10-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
7Q0J RNA polymerase elongation complex in more-swiveled conformation Deposited 2021-10-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.30 Å
7Q0K RNA polymerase elongation complex in less-swiveled conformation Deposited 2021-10-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
7QV9 CryoEM structure of bacterial transcription intermediate complex mediated by activator PspF Deposited 2022-01-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: tetradecameric	Chain E 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 AF3 ALUMINUM FLUORIDE × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
7QWP CryoEM structure of bacterial transcription close complex (RPc) Deposited 2022-01-25	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris-HCl pH 8.0, 150 mM KCl, 10 mM MgCl2 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
7QXI Cryo-EM structure of RNA polymerase-sigma54 holo enzyme with promoter DNA closed complex Deposited 2022-01-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris-HCl pH 8.0, 150 mM KCl, 10 mM MgCl2,8 mM CHAPSO cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
7SZJ Cryo-EM structure of Rifamycin bound to E. coli RNAP and rrnBP1 promoter complex Deposited 2021-11-28	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	RFP RIFAMPICIN × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.11 Å
7SZK Cryo-EM structure of 27a bound to E. coli RNAP and rrnBP1 promoter complex Deposited 2021-11-28	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	D9X (2S,7R,7aR,13aP,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,21,23-trihydroxy-27-methoxy-2,4,16,20,22,24,26-heptamethyl-10-[4-(2-methylpropyl)piperazin-1-yl]-12-({4-[(morpholin-4-yl)methyl]phenyl}methoxy)-1,6,15-trioxo-1,2,7,7a-tetrahydro-6H-2,7-(epoxypentadeca[1,11,13]trienoimino)[1]benzofuro[4,5-a]phenoxazin-25-yl acetate × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.94 Å
7VWY Cryo-EM structure of Rob-dependent transcription activation complex in a unique conformation Deposited 2021-11-12	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.57 Å
7VWZ Cryo-EM structure of Rob-dependent transcription activation complex in a unique conformation Deposited 2021-11-12	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
7W5W Cryo-EM structure of SoxS-dependent transcription activation complex with micF promoter DNA Deposited 2021-11-30	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.55 Å
7W5X Cryo-EM structure of SoxS-dependent transcription activation complex with zwf promoter DNA Deposited 2021-11-30	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
7W5Y Cryo-EM structure of SoxS-dependent transcription activation complex with fpr promoter DNA Deposited 2021-11-30	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
7XUE Cryo-EM structure of HK022 putRNA-associated E.coli RNA polymerase elongation complex Deposited 2022-05-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；pH adjustment at 4'C cryo-EM vitrification conditions Cryogen ETHANE；using two layers of blot papers	Resolution 3.17 Å
7XUG cryo-EM structure of HK022 putRNA-less E.coli RNA polymerase elongation complex Deposited 2022-05-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；pH adjustment at 4'C cryo-EM vitrification conditions Cryogen ETHANE；using two layers of blot papers	Resolution 3.57 Å
7XUI Cryo-EM structure of sigma70 bound HK022 putRNA-associated E.coli RNA polymerase elongation complex Deposited 2022-05-18	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；pH adjustment at 4'C cryo-EM vitrification conditions Cryogen ETHANE；using two layers of blot papers	Resolution 3.61 Å
7YP9 Cryo-EM structure of Escherichia coli paused complex of transcription termination (TTC-pause) Deposited 2022-08-03	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.58 Å
7YPA Cryo-EM structure of Escherichia coli hairpin-nucleation complex of transcription termination (TTC-hairpin) Deposited 2022-08-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.05 Å
7YPB Cryo-EM structure of Escherichia coli release complex of transcription termination (TTC-release) Deposited 2022-08-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.48 Å
8ABY RNA polymerase bound to purified in vitro transcribed regulatory RNA putL - pause prone, closed clamp state Deposited 2022-07-05	Different construct Different ligand/ion Different experimental conditions	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris-glutamate pH 8.0, 50 mM K-glutamate, 10 mM Mg-glutamate, 0.001 mM ZnCl2, 2mM DTT cryo-EM vitrification conditions Cryogen ETHANE；Quantifoil UltrAuFoil R1.2/1.3 300 mesh holey gold grids were plasma cleaned on a Model 1070 (Fischione Instruments) for 30 sec at 70% power and with an 80% Argon and 20% Oxygen mixture prior to the application of 0.004 ml of sample. Grids were plunge frozen into liquid ethane using a Vitrobot mark IV (FEI) with 95% chamber humidity at 283K.	Resolution 3.70 Å
8ABZ RNA polymerase at U-rich pause bound to non-regulatory RNA - pause prone, closed clamp state Deposited 2022-07-05	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris-glutamate pH 8.0, 50 mM K-glutamate, 10 mM Mg-glutamate, 0.001 mM ZnCl2, 2mM DTT cryo-EM vitrification conditions Cryogen ETHANE；Quantifoil UltrAuFoil R1.2/1.3 300 mesh holey gold grids were plasma cleaned on a Model 1070 (Fischione Instruments) for 30 sec at 70% power and with an 80% Argon and 20% Oxygen mixture prior to the application of 0.004 ml of sample. Grids were plunge frozen into liquid ethane using a Vitrobot mark IV (FEI) with 95% chamber humidity at 283K.	Resolution 3.40 Å
8AC0 RNA polymerase at U-rich pause bound to regulatory RNA putL - active, closed clamp state Deposited 2022-07-05	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris-glutamate pH 8.0, 50 mM K-glutamate, 10 mM Mg-glutamate, 0.001 mM ZnCl2, 2mM DTT cryo-EM vitrification conditions Cryogen ETHANE；Quantifoil UltrAuFoil R1.2/1.3 300 mesh holey gold grids were plasma cleaned on a Model 1070 (Fischione Instruments) for 30 sec at 70% power and with an 80% Argon and 20% Oxygen mixture prior to the application of 0.004 ml of sample. Grids were plunge frozen into liquid ethane using a Vitrobot mark IV (FEI) with 95% chamber humidity at 283K.	Resolution 4.10 Å
8AC1 RNA polymerase at U-rich pause bound to non-regulatory RNA - inactive, open clamp state Deposited 2022-07-05	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris-glutamate pH 8.0, 50 mM K-glutamate, 10 mM Mg-glutamate, 0.001 mM ZnCl2, 2mM DTT cryo-EM vitrification conditions Cryogen ETHANE；Quantifoil UltrAuFoil R1.2/1.3 300 mesh holey gold grids were plasma cleaned on a Model 1070 (Fischione Instruments) for 30 sec at 70% power and with an 80% Argon and 20% Oxygen mixture prior to the application of 0.004 ml of sample. Grids were plunge frozen into liquid ethane using a Vitrobot mark IV (FEI) with 95% chamber humidity at 283K.	Resolution 4.06 Å
8AC2 RNA polymerase- post-terminated, open clamp state Deposited 2022-07-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions	Assembly 1 Protein–DNA Heteromer；Protein × 5 PDB declaration: heptameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris-glutamate pH 8.0, 50 mM K-glutamate, 10 mM Mg-glutamate, 0.001 mM ZnCl2, 2mM DTT cryo-EM vitrification conditions Cryogen ETHANE；Quantifoil UltrAuFoil R1.2/1.3 300 mesh holey gold grids were plasma cleaned on a Model 1070 (Fischione Instruments) for 30 sec at 70% power and with an 80% Argon and 20% Oxygen mixture prior to the application of 0.004 ml of sample. Grids were plunge frozen into liquid ethane using a Vitrobot mark IV (FEI) with 95% chamber humidity at 283K.	Resolution 3.70 Å
8ACP RNA polymerase at U-rich pause bound to regulatory RNA putL - inactive, open clamp state Deposited 2022-07-06	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris-glutamate pH 8.0, 50 mM K-glutamate, 10 mM Mg-glutamate, 0.001 mM ZnCl2, 2mM DTT cryo-EM vitrification conditions Cryogen ETHANE；Quantifoil UltrAuFoil R1.2/1.3 300 mesh holey gold grids were plasma cleaned on a Model 1070 (Fischione Instruments) for 30 sec at 70% power and with an 80% Argon and 20% Oxygen mixture prior to the application of 0.004 ml of sample. Grids were plunge frozen into liquid ethane using a Vitrobot mark IV (FEI) with 95% chamber humidity at 283K.	Resolution 4.50 Å
8AD1 RNA polymerase at U-rich pause bound to RNA putL triple mutant - pause prone, closed clamp state Deposited 2022-07-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris-glutamate pH 8.0, 50 mM K-glutamate, 10 mM Mg-glutamate, 0.001 mM ZnCl2, 2mM DTT cryo-EM vitrification conditions Cryogen ETHANE；Quantifoil UltrAuFoil R1.2/1.3 300 mesh holey gold grids were plasma cleaned on a Model 1070 (Fischione Instruments) for 30 sec at 70% power and with an 80% Argon and 20% Oxygen mixture prior to the application of 0.004 ml of sample. Grids were plunge frozen into liquid ethane using a Vitrobot mark IV (FEI) with 95% chamber humidity at 283K.	Resolution 4.10 Å
8F1I SigN RNA polymerase early-melted intermediate bound to mismatch fragment dhsU36mm1 (-12T) Deposited 2022-11-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: decameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
8F1J SigN RNA polymerase early-melted intermediate bound to mismatch DNA fragment dhsU36mm2 (-12A) Deposited 2022-11-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: decameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
8F1K SigN RNA polymerase early-melted intermediate bound to full duplex DNA fragment dhsU36 (-12T) Deposited 2022-11-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: decameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.80 Å
8FIX Cryo-EM structure of E. coli RNA polymerase backtracked elongation complex harboring a terminal mismatch Deposited 2022-12-17	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
8FTD Structure of Escherichia coli CedA in complex with transcription initiation complex Deposited 2023-01-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain K 1–91（91 aa）	Not recorded	1N7 CHAPSO × 3 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.76 Å
8FVR CryoEM structure of E.coli transcription elongation complex Deposited 2023-01-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain H 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM HEPES, pH 8.0, 150 mM NaCl, 10 mM MgCl2, 10 uM ZnCl2, 5 mM DTT cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.42 Å
8FVW CryoEM structure of E.coli transcription elongation complex bound to ppGpp Deposited 2023-01-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain H 1–91（91 aa）	Not recorded	G4P GUANOSINE-5',3'-TETRAPHOSPHATE × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 2 NA SODIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM HEPES, pH 8.0, 150 mM NaCl, 10 mM MgCl2, 10 uM ZnCl2, 5 mM DTT cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.10 Å
8G00 Cryo-EM structure of 3DVA component 0 of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase minus preQ1 ligand Deposited 2023-01-31	Different construct Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION WAS CARRIED OUT IN A CHAMBER WITH THE TEMPERATURE SET TO 4 DEGREES CELSIUS.	Resolution 3.40 Å
8IGR Cryo-EM structure of CII-dependent transcription activation complex Deposited 2023-02-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 10 PDB declaration: dodecameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
8IGS Cryo-EM structure of RNAP-promoter open complex at lambda promoter PRE Deposited 2023-02-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 5 PDB declaration: heptameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8JO2 Structural basis of transcriptional activation by the OmpR/PhoB-family response regulator PmrA Deposited 2023-06-06	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.3 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.74 Å
8K58 The cryo-EM map of close TIEA-TEC complex Deposited 2023-07-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–77（76 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.15 Å
8K59 The cryo-EM map of TIC-TIEA complex Deposited 2023-07-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 7 PDB declaration: decameric	Chain E 2–77（76 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
8K5A The cryo-EM map of open TIEA-TEC complex Deposited 2023-07-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–77（76 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
8PBL E. coli RNA polymerase elongation complex stalled at thymine dimer lesion Deposited 2023-06-09	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain H 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.87 Å
8PDY E. coli RNA polymerase paused at ops site Deposited 2023-06-13	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.80 Å
8PEN fully recruited RfaH bound to E. coli transcription complex paused at ops site (alternative state of RfaH) Deposited 2023-06-14	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
8PFG autoinhibited RfaH bound to E. coli transcription complex paused at ops site (encounter complex), not fully complementary scaffold Deposited 2023-06-15	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
8PFJ fully recruited RfaH bound to E. coli transcription complex paused at ops site (not fully complementary scaffold; alternative state of RfaH) Deposited 2023-06-16	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8PH9 E. coli RNA polymerase paused at ops site (non-complementary scaffold) Deposited 2023-06-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
8PHK fully recruited RfaH bound to E. coli transcription complex paused at ops site Deposited 2023-06-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
8PIB autoinhibited RfaH bound to E. coli transcription complex paused at ops site (encounter complex) Deposited 2023-06-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
8PID backtracked E. coli transcription complex paused at ops site and bound to RfaH Deposited 2023-06-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
8PIL E. coli transcription complex paused at ops site and bound to RfaH and NusA Deposited 2023-06-22	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 7 PDB declaration: decameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.20 Å
8PIM fully recruited RfaH bound to E. coli transcription complex paused at ops site (not complementary scaffold) Deposited 2023-06-22	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8RE4 Cryo-EM structure of bacterial RNA polymerase-sigma54 initial transcribing complex - 5nt pre-translocated complex Deposited 2023-12-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–75（74 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.80 Å
8REA Cryo-EM structure of bacterial RNA polymerase-sigma54 initial transcribing complex - 5nt post-translocated complex Deposited 2023-12-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–75（74 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8REB Cryo-EM structure of bacterial RNA polymerase-sigma54 initial transcribing complex - 6nt complex Deposited 2023-12-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–75（74 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8REC Cryo-EM structure of bacterial RNA polymerase-sigma54 initial transcribing complex - 7nt complex Deposited 2023-12-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–75（74 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
8RED Cryo-EM structure of bacterial RNA polymerase-sigma54 initial transcribing complex - 8nt complex Deposited 2023-12-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–75（74 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
8REE Cryo-EM structure of bacterial RNA polymerase-sigma54 initial transcribing complex - 9nt complex Deposited 2023-12-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 2–75（74 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
8SY5 E. coli DNA-directed RNA polymerase transcription elongation complex bound the unnatural dS-BTP base pair in the active site Deposited 2023-05-24	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1 X0F 2-oxo-2-hydroadenosine 5'-(tetrahydrogen triphosphate) × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris (pH 8.0), 40mM KCl, 5mM DTT and 5mM MgCl2 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
8SY6 E. coli DNA-directed RNA polymerase transcription elongation complex bound the unnatural dB-UTP base pair in the active site Deposited 2023-05-24	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	DGP 2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 UTP URIDINE 5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris (pH 8.0), 40mM KCl, 5mM DTT and 5mM MgCl2 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.28 Å
8SZW Reconstituted E. coli RNA polymerase post-termination complex on negatively-supercoiled DNA: open duplex DNA (rPTCo) Deposited 2023-05-30	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 5 PDB declaration: heptameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.63 Å
8T02 Reconstituted E. coli RNA polymerase post-termination complex on negatively-supercoiled DNA: unwinding duplex DNA (rPTCi) Deposited 2023-05-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 5 PDB declaration: heptameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.79 Å
8TO1 Escherichia coli RNA polymerase unwinding intermediate (I1a) at the lambda PR promoter Deposited 2023-08-02	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	4QM (3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-pentan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triol × 4 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；CHAPSO was added (from 80 mM stock) to 8 mM final in each sample just prior to spray mixing.	Resolution 2.80 Å
8TO6 Escherichia coli RNA polymerase unwinding intermediate (I1d) at the lambda PR promoter Deposited 2023-08-02	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	4QM (3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-pentan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triol × 3 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；CHAPSO was added (from 80 mM stock) to 8 mM final in each sample just prior to spray mixing.	Resolution 2.90 Å
8TO8 Escherichia coli RNA polymerase unwinding intermediate (I1b) at the lambda PR promoter Deposited 2023-08-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	4QM (3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-pentan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triol × 4 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；CHAPSO was added (from 80 mM stock) to 8 mM final in each sample just prior to spray mixing.	Resolution 2.90 Å
8TOE Escherichia coli RNA polymerase unwinding intermediate (I1c) at the lambda PR promoter Deposited 2023-08-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	1N7 CHAPSO × 3 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；CHAPSO was added (from 80 mM stock) to 8 mM final in each sample just prior to spray mixing.	Resolution 2.90 Å
8TOM Escherichia coli RNA polymerase closed complex intermediate at the lambda PR promoter Deposited 2023-08-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	1N7 CHAPSO × 4 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；CHAPSO was added (from 80 mM stock) to 8 mM final.	Resolution 3.10 Å
8U3B Cryo-EM structure of E. coli NarL-transcription activation complex at 3.2A Deposited 2023-09-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 8 PDB declaration: 11-meric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.23 Å
8UPR Escherichia coli transcription-translation coupled complex class A (TTC-A) containing RfaH bound to ops signal, mRNA with a 21 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-23	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.30 Å
8UQL Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH in loaded state, mRNA with a 24 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-24	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.20 Å
8UQM Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH in loaded state, NusA, mRNA with a 24 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-24	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.30 Å
8UQP Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, mRNA with a 24 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-24	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
8UR0 Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, NusA, mRNA with a 24 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-25	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8URH Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, mRNA with a 27 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.70 Å
8URI Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, NusA, mRNA with a 27 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.30 Å
8URX Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, mRNA with a 30 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.60 Å
8URY Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, NusA, mRNA with a 30 nt long spacer, and fMet-tRNA in E-site and P-site of the ribosome Deposited 2023-10-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.6 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
8VKV Escherichia coli transcription-translation coupled complex (TTC-B) containing mRNA with a 33 nt long spacer, ops signal, RfaH, NusA, and fMet-tRNAs in E-site and P-site Deposited 2024-01-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
8VL1 Escherichia coli transcription-translation loosely coupled complex (TTC-LC) containing mRNA with a 36 nt long spacer, ops signal, RfaH, NusA, and fMet-tRNAs in E-site and P-site Deposited 2024-01-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.30 Å
8VOO Escherichia coli transcription-translation loosely coupled complex (TTC-LC) containing mRNA with a 39 nt long spacer, ops signal, RfaH, NusA, and fMet-tRNAs in E-site and P-site Deposited 2024-01-15	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8VOP Escherichia coli transcription-translation coupled complex (TTC-B) containing mRNA with a 36 nt long spacer, NusG, NusA, and fMet-tRNAs in E-site and P-site Deposited 2024-01-15	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.00 Å
8VOQ Escherichia coli transcription-translation loosely coupled complex (TTC-LC) containing mRNA with a 39 nt long spacer, NusG, NusA, and fMet-tRNAs in E-site and P-site Deposited 2024-01-15	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.30 Å
8VOR Escherichia coli transcription-translation loosely coupled complex (TTC-LC) containing mRNA with a 51 nt long spacer, NusG, NusA, and fMet-tRNAs in E-site and P-site Deposited 2024-01-15	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
8VOS Escherichia coli transcription-translation loosely coupled complex (TTC-LC) containing mRNA with a 60 nt long spacer, NusG, NusA, and fMet-tRNAs in E-site and P-site Deposited 2024-01-15	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.60 Å
8Y5K E.coli transcription translation coupling complex in TTC-A state 2 containing mRNA with 27-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-01-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 PO4 PHOSPHATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.90 Å
8Y5L E.coli transcription translation coupling complex in TTC-B state 1 (subclass1) containing mRNA with 30-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-01-31	Different construct Different oligomeric state Different experimental conditions	Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 67-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
8Y5M E.coli transcription translation coupling complex in TTC-B state 2 containing mRNA with 27-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-01-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 PO4 PHOSPHATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.50 Å
8Y5N E.coli transcription translation coupling complex in TTC-A state 3 containing mRNA with 21-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-01-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric	Chain W0 1–91（91 aa）	Not recorded	GDP GUANOSINE-5'-DIPHOSPHATE × 1 PO4 PHOSPHATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.50 Å
8Y5O E.coli transcription translation coupling complex in TTC-B state 3 (subclass1) containing mRNA with 30-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-01-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 PO4 PHOSPHATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
8Y5P E.coli transcription translation coupling complex in TTC-B state 4 (subclass 1) containing mRNA with 24-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-01-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 67-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 PO4 PHOSPHATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.50 Å
8Y5Q E.coli transcription translation coupling complex in TTC-B state 4 (subclass 2) containing mRNA with 27-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and GDPCP Deposited 2024-01-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 66-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
8Y5R E.coli Transcription translation coupling complex in TTC-B state 5 (subclass 1) containing mRNA with 27-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and fusidic acid Deposited 2024-01-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 66-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 FUA FUSIDIC ACID × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.50 Å
8Y5S E.coli Transcription translation coupling complex in TTC-B state 5 (subclass 2) containing mRNA with 27-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and GDPCP Deposited 2024-01-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 66-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.50 Å
8Y5T E.coli Transcription translation coupling complex in TTC-B state 5 (subclass 3) containing mRNA with 27-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and fusidic acid Deposited 2024-01-31	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 66-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 FUA FUSIDIC ACID × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
8Y6U Cryo-EM structure of E.coli transcription initiation complex with transcription factor GcvA Deposited 2024-02-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: 11-meric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.9 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.97 Å
8YDE E.coli transcription translation coupling complex in TTC-B state 1 (subclass 3) containing mRNA with 39-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-02-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 67-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.00 Å
8YDF E.coli transcription translation coupling complex in TTC-B state 1 (subclass 2) containing mRNA with 39-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-02-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 67-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.60 Å
8YDG E.coli transcription translation coupling complex in TTC-B state 3 (subclass2) containing mRNA with 39-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-02-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 PO4 PHOSPHATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.10 Å
8YDH E.coli transcription translation coupling complex in TTC-P state 1 (subclass1) containing mRNA with 39-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-02-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 67-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.55 Å
8YDI E.coli transcription translation coupling complex in TTC-P state 1 (subclass 2) containing mRNA with 39-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-02-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 67-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.60 Å
8YDJ E.coli transcription translation coupling complex in TTC-P containing mRNA with 39-mer spacer, NusG, NusA, fMet-tRNA(iMet), Phe-tRNA(Phe), and viomycin Deposited 2024-02-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain W0 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 PO4 PHOSPHATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.10 Å
9GDA RNAP-TopoI complex on duplex scaffold Deposited 2024-08-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
9GDB RNAP-TopoI complex on bubble scaffold - consensus reconstruction Deposited 2024-08-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
9GDC RNAP-TopoI complex on bubble scaffold - single-bubble configuration Deposited 2024-08-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.30 Å
9GDD RNAP-TopoI complex on bubble scaffold - two-bubble configuration Deposited 2024-08-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.30 Å
9GDE RNAP-TopoI complex on long-overhang scaffold - orientation 1 Deposited 2024-08-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
9GDH RNAP-TopoI complex on long-overhang scaffold - orientation 2 Deposited 2024-08-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
9GUR 30S mRNA delivery complex TEC resolved (TEC only) Deposited 2024-09-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain 5 4–74（71 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
9GUW 30S-TEC (TEC in expressome position) Inactive state 2 Deposited 2024-09-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 30-meric	Chain 5 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 118 ZN ZINC ION × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
9GUX 30S-TEC (TEC in expressome position) Inactive state 1 Deposited 2024-09-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 31-meric	Chain 5 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 132 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
9L0X Cryo-EM structure of E.coli transcription initiation complex with Escherichia phage Mu late transcription activator C Deposited 2024-12-13	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 11 PDB declaration: 13-meric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.22 Å
9L0Y Cryo-EM structure of E.coli transcription initiation complex with Escherichia phage Mu middle transcription activator Mor Deposited 2024-12-13	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 11 PDB declaration: 13-meric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.78 Å
9MSE de novo SigN RNA polymerase transcription initiation intermediate with pre-catalytic bEBP state (RPi1 open ring) Deposited 2025-01-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: 16-meric	Chain K 1–91（91 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 6 MG MAGNESIUM ION × 3 POP PYROPHOSPHATE 2- × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；40 mM Tris-HCl, pH 8/RT, 200 mM KCl, 10 mM MgCl2, 1 mM DTT; fluorinated fos-choline-8 (FC8F) added to a final concentration of 1.5 mM during grid preparation cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
9MSF de novo SigN RNA polymerase transcription initiation intermediate with post-catalytic bEBP state (RPi1 closed ring) Deposited 2025-01-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: 16-meric	Chain K 1–91（91 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 5 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 POP PYROPHOSPHATE 2- × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；40 mM Tris-HCl, pH 8/RT, 200 mM KCl, 10 mM MgCl2, 1 mM DTT; fluorinated fos-choline-8 (FC8F) added to a final concentration of 1.5 mM during grid preparation cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
9MSG De novo SigN RNA polymerase transcription initiation intermediate with bound SigN-RII Deposited 2025-01-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: tetradecameric	Chain K 1–91（91 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 5 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 POP PYROPHOSPHATE 2- × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；40 mM Tris-HCl, pH 8/RT, 200 mM KCl, 10 mM MgCl2, 1 mM DTT; fluorinated fos-choline-8 (FC8F) added to a final concentration of 1.5 mM during grid preparation cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
9MSH de novo SigN RNA polymerase open complex (RPo) Deposited 2025-01-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	POP PYROPHOSPHATE 2- × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8；40 mM Tris-HCl, pH 8/RT, 200 mM KCl, 10 mM MgCl2, 1 mM DTT; fluorinated fos-choline-8 (FC8F) added to a final concentration of 1.5 mM during grid preparation cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.80 Å
9MSJ de novo SigN RNA polymerase NTP-bound open complex (RPo+2A) Deposited 2025-01-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；40 mM Tris-HCl, pH 8/RT, 200 mM KCl, 10 mM MgCl2, 1 mM DTT; fluorinated fos-choline-8 (FC8F) added to a final concentration of 1.5 mM during grid preparation cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
9N07 Mfd-bound E.coli RNA polymerase elongation complex + ADP-BeF3 - L1 state Deposited 2025-01-23	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.48 Å
9N11 Mfd-bound E.coli RNA polymerase elongation complex + ADP-BeF3 - L1.5 state Deposited 2025-01-24	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.29 Å
9Q90 CryoEM structure of bacterial transcription intermediate complex mediated by activator PspF Deposited 2025-02-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: 14-meric	Chain E 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 AF3 ALUMINUM FLUORIDE × 4 MG MAGNESIUM ION × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
9Q91 CryoEM structure of bacterial transcription intermediate complex mediated by activator PspF containing nifH promoter DNA containing mismatch from -11 to -8 - conformation 6 Deposited 2025-02-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: 14-meric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.20 Å
9Q92 CryoEM structure of bacterial transcription intermediate complex mediated by activator PspF containing nifH promoter DNA containing mismatch from -11 to -8 - conformation 5 Deposited 2025-02-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: 14-meric	Chain E 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 AF3 ALUMINUM FLUORIDE × 5 MG MAGNESIUM ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.80 Å
9Q93 CryoEM structure of bacterial transcription intermediate complex mediated by activator PspF containing nifH promoter DNA containing mismatch from -11 to -8 - conformation 4 Deposited 2025-02-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: 14-meric	Chain E 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 AF3 ALUMINUM FLUORIDE × 5 MG MAGNESIUM ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.60 Å
9Q94 CryoEM structure of bacterial transcription intermediate complex mediated by activator PspF containing nifH promoter DNA containing mismatch from -11 to -8 - conformation 3 Deposited 2025-02-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: tetradecameric	Chain E 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 AF3 ALUMINUM FLUORIDE × 5 MG MAGNESIUM ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.80 Å
9Q95 CryoEM structure of bacterial transcription intermediate complex mediated by activator PspF containing nifH promoter DNA containing mismatch from -10 to -1 Deposited 2025-02-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: tetradecameric	Chain E 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 AF3 ALUMINUM FLUORIDE × 5 MG MAGNESIUM ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.80 Å
9Q96 Cryo-EM Structure of Bacterial RNA polymerase-sigma54 transcription open complex with wild type sigma54, from RPi(-10-1) Deposited 2025-02-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric	Chain E 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.60 Å
9Q97 CryoEM structure of bacterial transcription intermediate complex mediated by activator PspF containing nifH promoter DNA containing mismatch from -11 to -8 - conformation 2 Deposited 2025-02-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: tetradecameric	Chain E 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 AF3 ALUMINUM FLUORIDE × 5 MG MAGNESIUM ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.60 Å
9Q98 CryoEM structure of bacterial transcription intermediate complex mediated by activator PspF containing nifH promoter DNA containing mismatch from -11 to -8 - conformation 1 Deposited 2025-02-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: tetradecameric	Chain E 1–91（91 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 AF3 ALUMINUM FLUORIDE × 5 MG MAGNESIUM ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.30 Å
9Y79 Escherichia coli transcription-translation loosely coupled complex (TTC-LC^walked) containing mRNA with a 39 nt long spacer, NusG, NusA, and fMet-tRNAs in E-site and P-site Deposited 2025-09-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric	Chain AF 1–91（91 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions	Resolution 3.20 Å
9YMU De novo initial transcribing RNA polymerase with 2-mer RNA and bound CTP / Michaelis complex (RPitc2+CTP) Deposited 2025-10-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 2 ZN ZINC ION × 2 CTP CYTIDINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
9YMV De novo initial transcribing RNA polymerase with pretranslocated 3-mer RNA / product complex (RPitc3) Deposited 2025-10-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 1 POP PYROPHOSPHATE 2- × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
9YMW De novo initial transcribing RNA polymerase with 5-mer RNA CCAUC (RPitc5a) Deposited 2025-10-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	POP PYROPHOSPHATE 2- × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
9YMX De novo initial transcribing RNA polymerase with 5-mer RNA AUCUA (RPitc5b) Deposited 2025-10-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	POP PYROPHOSPHATE 2- × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
9YMY De novo initial transcribing RNA polymerase with 9-mer RNA (RPitc9) Deposited 2025-10-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
9YN0 De novo initial transcribing RNA polymerase with sigma 70 region 1.1 bound (RPitc-s70_1.1) Deposited 2025-10-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain K 1–91（91 aa）	Not recorded	POP PYROPHOSPHATE 2- × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
9YNP Cryo-EM structure of Escherichia coli transcription initiation complex with GpA and pseudouridimycin (PUM) Deposited 2025-10-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1 PUM (1S)-1,4-anhydro-5-[(N-carbamimidoylglycyl-N~2~-hydroxy-L-glutaminyl)amino]-5-deoxy-1-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-D-ribitol × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.06 Å
9YNQ Cryo-EM structure of Escherichia coli transcription initiation complex with GpA and des-hydroxy pseudouridimycin (des-hydroxy PUM) Deposited 2025-10-11	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric	Chain E 1–91（91 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 1 A1CYH (1S)-1,4-anhydro-5-[(N-carbamimidoylglycyl-L-glutaminyl)amino]-5-deoxy-1-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-D-ribitol × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.32 Å

258 other PDB entries and 277 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	RPOZ_ECOLI
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain K； PDBConstruct 1–79； UniProt 2–80

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	8g2w
Deposition date deposition_date	2023-02-06
Structure title title	Cryo-EM structure of 3DVA component 2 of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase minus preQ1 ligand
Keywords keywords	RNA Polymerase, Riboswitch, Transcription, preQ1; TRANSCRIPTION
Experimental Method method	ELECTRON MICROSCOPY

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	47.40 Å
Radius of gyration Rg (electron density) rg_electron	46.86 Å
Forward intensity I(0) i0	2384850000.00
Molecular weight molecular_weight	383730.0 kDa
Excluded volume excluded_volume	471180 Å³
Envelope volume envelope_volume	645470 Å³
Hydration-shell volume shell_volume	108470 Å³
Envelope diameter envelope_diameter	160.9 Å
Shell Rg shell_rg	55.32 Å
Envelope Rg envelope_rg	46.75 Å
Shape Rg shape_rg	46.86 Å
Total Rg total_rg	47.13 Å
Total atoms total_atoms	26829
Residues n_residues	3269
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	152.9 Å
Rg (real space) rg_real	47.14 Å
Rg uncertainty (real space) rg_real_error	0.88 Å
I(0) (real space) i0_real	2.3850e+09
I(0) uncertainty (real space) i0_real_error	4.3740e+07
Rg (reciprocal space) rg_reciprocal	47.40 Å
I(0) (reciprocal space) i0_reciprocal	2386000000.0000
Solution quality estimate total_estimate	0.8765
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	1
Primary peak position r_peak_primary	60.2 Å
Skewness Skewness skewness	0.220
Kurtosis Kurtosis kurtosis	-0.355
Angular range angular_range	— – 0.1650 Å⁻¹
Current regularization parameter α current_alpha	0.0001
Highest regularization parameter α highest_alpha	339700000.0000
Real-space data points n_real_points	34
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.852; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.962; Smooth: 0.872

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (8)

Entity 1 Entity 1 polymer

Description description	DNA (39-MER)
Molecular weight formula_weight	12063.8 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	A
Atom count atom_count	26829

GGTCAGTACGTCCATTAGCTCTTCGGAAGAGATTCAGAG

来源 Source

来源生物 organism	Escherichia coli
NCBI Class编号 ncbi_taxonomy_id	562
宿主生物 host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	DNA (31-MER)
Molecular weight formula_weight	9486.1 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	B

CTCTGAATCTCTTCCTCGTGTGGTCAGGACG

来源 Source

来源生物 organism	Escherichia coli
NCBI Class编号 ncbi_taxonomy_id	562
宿主生物 host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	DNA-directed RNA polymerase subunit alpha
Molecular weight formula_weight	25971.5 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G,H

MQGSVTEFLKPRLVDIEQVSSTHAKVTLEPLERGFGHTLGNALRRILLSSMPGCAVTEVEIDGVLHEYSTKEGVQEDILEILLNLKGLAVRVQGKDEVILTLNKSGIGPVTAADITHDGDVEIVKPQHVICHLTDENASISMRIKVQRGRGYVPASTRIHSEEDERPIGRLLVDACYSPVERIAYNVEAARVEQRTDLDKLVIEMETNGTIDPEEAIRRAATILAEQLEAFVDLE

来源 Source

来源生物 organism	Escherichia coli
NCBI Class编号 ncbi_taxonomy_id	562
宿主生物 host_organism	Escherichia coli

Entity 4 Entity 4 polymer

Description description	DNA-directed RNA polymerase subunit beta
Molecular weight formula_weight	150560.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

VYSYTEKKRIRKDFGKRPQVLDVPYLLSIQLDSFQKFIEQDPEGQYGLEAAFRSVFPIQSYSGNSELQYVSYRLGEPVFDVQECQIRGVTYSAPLRVKLRLVIYEREAPEGTVKDIKEQEVYMGEIPLMTDNGTFVINGTERVIVSQLHRSPGVFFDSDKGKTHSSGKVLYNARIIPYRGSWLDFEFDPKDNLFVRIDRRRKLPATIILRALNYTTEQILDLFFEKVIFEIRDNKLQMELVPERLRGETASFDIEANGKVYVEKGRRITARHIRQLEKDDVKLIEVPVEYIAGKVVAKDYIDESTGELICAANMELSLDLLAKLSQSGHKRIETLFTNDLDHGPYISETLRVDPTNDRLSALVEIYRMMRPGEPPTREAAESLFENLFFSEDRYDLSAVGRMKFNRSLLREEIEGSGILSKDDIIDVMKKLIDIRNGKGEVDDIDHLGNRRIRSVGEMAENQFRVGLVRVERAVKERLSLGDLDTLMPQDMINAKPISAAVKEFFGSSQLSQFMDQNNPLSEITHKRRISALGPGGLTRERAGFEVRDVHPTHYGRVCPIETPEGPNIGLINSLSVYAQTNEYGFLETPYRKVTDGVVTDEIHYLSAIEEGNYVIAQANSNLDEEGHFVEDLVTCRSKGESSLFSRDQVDYMDVSTQQVVSVGASLIPFLEHDDANRALMGANMQRQAVPTLRADKPLVGTGMERAVAVDSGVTAVAKRGGVVQYVDASRIVIKVNEDEMYPGEAGIDIYNLTKYTRSNQNTCINQMPCVSLGEPVERGDVLADGPSTDLGELALGQNMRVAFMPWNGYNFEDSILVSERVVQEDRFTTIHIQELACVSRDTKLGPEEITADIPNVGEAALSKLDESGIVYIGAEVTGGDILVGKVTPKGETQLTPEEKLLRAIFGEKASDVKDSSLRVPNGVSGTVIDVQVFTRDGVEKDKRALEIEEMQLKQAKKDLSEELQILEAGLFSRIRAVLVAGGVEAEKLDKLPRDRWLELGLTDEEKQNQLEQLAEQYDELKHEFEKKLEAKRRKITQGDDLAPGVLKIVKVYLAVKRRIQPGDKMAGRHGNKGVISKINPIEDMPYDENGTPVDIVLNPLGVPSRMNIGQILETHLGMAAKGIGDKINAMLKQQQEVAKLREFIQRAYDLGADVRQKVDLSTFSDEEVMRLAENLRKGMPIATPVFDGAKEAEIKELLKLGDLPTSGQIRLYDGRTGEQFERPVTVGYMYMLKLNHLVDDKMHARSTGSYSLVTQQPLGGKAQFGGQRFGEMEVWALEAYGAAYTLQEMLTVKSDDVNGRTKMYKNIVDGNHQMEPGMPESFNVLLKEIRSLGINIELED

来源 Source

来源生物 organism	Escherichia coli
NCBI Class编号 ncbi_taxonomy_id	562
宿主生物 host_organism	Escherichia coli

Entity 5 Entity 5 polymer

Description description	;DNA-directed RNA polymerase subunit beta' ;
Molecular weight formula_weight	150436.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

EFDAIKIALASPDMIRSWSFGEVKKPETINYRTFKPERDGLFCARIFGPVKDYECLCGKYKRLKHRGVICEKCGVEVTQTKVRRERMGHIELASPTAHIWFLKSLPSRIGLLLDMPLRDIERVLYFESYVVIEGGMTNLERQQILTEEQYLDALEEFGDEFDAKMGAEAIQALLKSMDLEQECEQLREELNETNSETKRKKLTKRIKLLEAFVQSGNKPEWMILTVLPVLPPDLRPLVPLDGGRFATSDLNDLYRRVINRNNRLKRLLDLAAPDIIVRNEKRMLQEAVDALLDNGRRGRAITGSNKRPLKSLADMIKGKQGRFRQNLLGKRVDYSGRSVITVGPYLRLHQCGLPKKMALELFKPFIYGKLELRGLATTIKAAKKMVEREEAVVWDILDEVIREHPVLLNRAPTLHRLGIQAFEPVLIEGKAIQLHPLVCAAYNADFDGDQMAVHVPLTLEAQLEARALMMSTNNILSPANGEPIIVPSQDVVLGLYYMTRDCVNAKGEGMVLTGPKEAERLYRSGLASLHARVKVRITEYEKDANGELVAKTSLKDTTVGRAILWMIVPKGLPYSIVNQALGKKAISKMLNTCYRILGLKPTVIFADQIMYTGFAYAARSGASVGIDDMVIPEKKHEIISEAEAEVAEIQEQFQSGLVTAGERYNKVIDIWAAANDRVSKAMMDNLQTETVINRDGQEEKQVSFNSIYMMADSGARGSAAQIRQLAGMRGLMAKPDGSIIETPITANFREGLNVLQYFISTHGARKGLADTALKTANSGYLTRRLVDVAQDLVVTEDDCGTHEGIMMTPVIEGGDVKEPLRDRVLGRVTAEDVLKPGTADILVPRNTLLHEQWCDLLEENSVDAVKVRSVVSCDTDFGVCAHCYGRDLARGHIINKGEAIGVIAAQSIGEPGTQLTMRTFHIGGAASRAAAESSIQVKNKGSIKLSNVKSVVNSSGKLVITSRNTELKLIDEFGRTKESYKVPYGAVLAKGDGEQVAGGETVANWDPHTMPVITEVSGFVRFTDMIDGQTITRQTDELTGLSSLVVLDSAERTAGGKDLRPALKIVDAQGNDVLIPGTDMPAQYFLPGKAIVQLEDGVQISSGDTLARIPQESGGTKDITGGLPRVADLFEARRPKEPAILAEISGIVSFGKETKGKRRLVITPVDGSDPYEEMIPKWRQLNVFEGERVERGDVISDGPEAPHDILRLRGVHAVTRYIVNEVQDVYRLQGVKINDKHIEVIVRQMLRKATIVNAGSSDFLEGEQVEYSRVKIANRELEANGKVGATYSRDLLGITKASLATESFISAASFQETTRVLTEAAVAGKRDELRGLKENVIVGRLIPAGTGYAYHQDRMRRR

来源 Source

来源生物 organism	Escherichia coli
NCBI Class编号 ncbi_taxonomy_id	562
宿主生物 host_organism	Escherichia coli

Entity 6 Entity 6 polymer

Description description	DNA-directed RNA polymerase subunit omega
Molecular weight formula_weight	8963.0 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

ARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLINNQILDVRERQEQQEQEAAEL

来源 Source

来源生物 organism	Escherichia coli
NCBI Class编号 ncbi_taxonomy_id	562
宿主生物 host_organism	Escherichia coli

Entity 7 Entity 7 polymer

Description description	RNA (47-MER)
Molecular weight formula_weight	15059.1 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	R

GCAGAGGUUCUAGCUACACCCUCUAUAAAAAACUAAGGACCACACGA

来源 Source

来源生物 organism	Escherichia coli
NCBI Class编号 ncbi_taxonomy_id	562
宿主生物 host_organism	Escherichia coli

Entity 8 Entity 8 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

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7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	8g2wG01
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	120 — RNA Polymerase Alpha Subunit; Chain A, domain 2
Homologous superfamily homologous superfamily	12 — DNA-directed RNA polymerase, insert domain

Domain ID domain_id	8g2wH01
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	120 — RNA Polymerase Alpha Subunit; Chain A, domain 2
Homologous superfamily homologous superfamily	12 — DNA-directed RNA polymerase, insert domain

Domain ID domain_id	8g2wJ01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	132 — Topoisomerase I; Chain A, domain 4
Homologous superfamily homologous superfamily	30 — RNA polymerase Rpb1 funnel domain

Domain ID domain_id	8g2wJ02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily	100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain

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8. Citations (1)

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	3.700 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	3.70 Å
Resolution测定方法 resolution_method	—
颗粒数 num_particles	39296

fit	/app/data/saxs_computation/g2/8g2w/8g2w.fit
pddf	/app/data/pr_computation/g2/8g2w/8g2w.pr.out
profile	/app/data/saxs_computation/g2/8g2w/8g2w.dat

Cryo-EM structure of 3DVA component 2 of Escherichia coli que-PEC (paused elongation complex) RNA Polymerase minus preQ1 ligand

1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA-directed RNA polymerase subunit alpha

State in the Current Structure

Other States of the Same Protein in the Database

DNA-directed RNA polymerase subunit beta

State in the Current Structure

Other States of the Same Protein in the Database

;DNA-directed RNA polymerase subunit beta' ;

State in the Current Structure

Other States of the Same Protein in the Database

DNA-directed RNA polymerase subunit omega

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

6. Entities and Polymers Entities & Polymers (8)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 polymer

Polymer Polymer

来源 Source

Entity 4 Entity 4 polymer

Polymer Polymer

来源 Source

Entity 5 Entity 5 polymer

Polymer Polymer

来源 Source

Entity 6 Entity 6 polymer

Polymer Polymer

来源 Source

Entity 7 Entity 7 polymer

Polymer Polymer

来源 Source

Entity 8 Entity 8 non-polymer

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)