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8qw9

RNAPII elongation complex bound to RECQ5_R502E

Method: ELECTRON MICROSCOPY Dmax: 168.7 Å Quality: GOOD
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1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA-directed RNA polymerase subunit

OrganismNot specified

UniProt G3MZY8

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain A； UniProt 1–1970 Not recorded DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain A 1–1970（1970 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain A 1–1970（1970 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain A 1–1970（1970 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name G3MZY8_BOVIN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–1970； UniProt 1–1970

DNA-directed RNA polymerase subunit beta

OrganismNot specified

UniProt A5PJW8

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain B； UniProt 1–1174 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A5PJW8_BOVIN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–1174； UniProt 1–1174

DNA-directed RNA polymerase II subunit RPB3

OrganismNot specified

UniProt Q3T0Q3

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain C； UniProt 1–275 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPB3_BOVIN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C； PDBConstruct 1–275； UniProt 1–275

DNA-directed RNA polymerases I, II, and III subunit RPABC1

OrganismNot specified

UniProt Q2T9T3

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain E； UniProt 1–210 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPAB1_BOVIN
Isoform —
PDB entities 4
Chains and sequence ranges Author chain E； PDBConstruct 1–210； UniProt 1–210

DNA-directed RNA polymerases I, II, and III subunit RPABC2

OrganismNot specified

UniProt Q32PE0

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain F； UniProt 1–127 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPAB2_BOVIN
Isoform —
PDB entities 5
Chains and sequence ranges Author chain F； PDBConstruct 1–127； UniProt 1–127

DNA-directed RNA polymerases I, II, and III subunit RPABC3

OrganismNot specified

UniProt F2Z4H3

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain H； UniProt 1–150 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name F2Z4H3_BOVIN
Isoform —
PDB entities 6
Chains and sequence ranges Author chain H； PDBConstruct 1–150； UniProt 1–150

DNA-directed RNA polymerase II subunit RPB9

OrganismNot specified

UniProt Q32P73

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain I； UniProt 1–125 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPB9_BOVIN
Isoform —
PDB entities 7
Chains and sequence ranges Author chain I； PDBConstruct 1–125； UniProt 1–125

DNA-directed RNA polymerases I, II, and III subunit RPABC5

OrganismNot specified

UniProt Q32P78

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain J； UniProt 1–67 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPAB5_BOVIN
Isoform —
PDB entities 8
Chains and sequence ranges Author chain J； PDBConstruct 1–67； UniProt 1–67

DNA-directed RNA polymerase II subunit RPB11

OrganismNot specified

UniProt Q32P79

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain K； UniProt 1–117 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPB11_BOVIN
Isoform —
PDB entities 9
Chains and sequence ranges Author chain K； PDBConstruct 1–117； UniProt 1–117

DNA-directed RNA polymerases I, II, and III subunit RPABC4

OrganismNot specified

UniProt Q3ZBC0

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain L； UniProt 1–58 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPAB4_BOVIN
Isoform —
PDB entities 10
Chains and sequence ranges Author chain L； PDBConstruct 1–58； UniProt 1–58

Polymerase (RNA) II (DNA directed) polypeptide D

OrganismNot specified

UniProt Q1JQ91

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain D； UniProt 1–142 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric
Chain D 1–142（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain D 1–142（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain D 1–142（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain D 1–142（142 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain D 1–142（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q1JQ91_BOVIN
Isoform —
PDB entities 11
Chains and sequence ranges Author chain D； PDBConstruct 1–142； UniProt 1–142

DNA-directed RNA polymerase II subunit RPB7

OrganismNot specified

UniProt Q5E9B8

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain G； UniProt 1–172 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ATP-dependent DNA helicase Q5 × 1 （O94762） ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPB7_BOVIN
Isoform —
PDB entities 12
Chains and sequence ranges Author chain G； PDBConstruct 1–172； UniProt 1–172

ATP-dependent DNA helicase Q5

Homo sapiens

UniProt O94762

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 × 13 DNA 2 RNA 1 PDB declaration: hexadecameric（16） Consistent with all polymer counts Chain R； UniProt 1–650 Not recorded DNA-directed RNA polymerase subunit × 1 （G3MZY8） DNA-directed RNA polymerase subunit beta × 1 （A5PJW8） DNA-directed RNA polymerase II subunit RPB3 × 1 （Q3T0Q3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （Q2T9T3） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （Q32PE0） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （F2Z4H3） DNA-directed RNA polymerase II subunit RPB9 × 1 （Q32P73） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （Q32P78） DNA-directed RNA polymerase II subunit RPB11 × 1 （Q32P79） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （Q3ZBC0） Polymerase (RNA) II (DNA directed) polypeptide D × 1 （Q1JQ91） DNA-directed RNA polymerase II subunit RPB7 × 1 （Q5E9B8） RNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 DNA, DNA-RNA ELONGATION SCAFFOLD × 1 ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE-PROPANE Resolution 4.30 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 8QW9 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
4BK0 Crystal structure of the KIX domain of human RECQL5 (domain-swapped dimer) Deposited 2013-04-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric
Chain A 515–620（106 aa） Fragment：KIX DOMAIN, RESIDUES 515-620
Chain B 515–620（106 aa） Fragment：KIX DOMAIN, RESIDUES 515-620
Not recorded PEG DI(HYDROXYETHYL)ETHER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.2；0.2 M NACL, 0.1 M SODIUM/POTASSIUM PHOSPHATE PH 6.2, 50% PEG 200
Resolution 1.90 Å R-free 0.234
5LB3 Crystal structure of human RECQL5 helicase in complex with ADP/Mg. Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 11–453（443 aa）
Not recorded ZN ZINC ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；23% PEG6K, 0.15M lithium chloride, 2.5% ethylene glycol
Resolution 1.80 Å R-free 0.234
5LB3 Crystal structure of human RECQL5 helicase in complex with ADP/Mg. Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain E 11–453（443 aa）
Not recorded ZN ZINC ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；23% PEG6K, 0.15M lithium chloride, 2.5% ethylene glycol
Resolution 1.80 Å R-free 0.234
5LB5 Crystal structure of human RECQL5 helicase in complex with ADP/Mg (tricilinc form). Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 10–453（444 aa）
Not recorded ZN ZINC ION × 1 DMS DIMETHYL SULFOXIDE × 1 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1M tris pH 7.5, 23% PEG3350, 0.1M sodium chloride
Resolution 2.00 Å R-free 0.282
5LB5 Crystal structure of human RECQL5 helicase in complex with ADP/Mg (tricilinc form). Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 10–453（444 aa）
Not recorded ZN ZINC ION × 1 DMS DIMETHYL SULFOXIDE × 1 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1M tris pH 7.5, 23% PEG3350, 0.1M sodium chloride
Resolution 2.00 Å R-free 0.282
5LB5 Crystal structure of human RECQL5 helicase in complex with ADP/Mg (tricilinc form). Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain C 10–453（444 aa）
Not recorded ZN ZINC ION × 1 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1M tris pH 7.5, 23% PEG3350, 0.1M sodium chloride
Resolution 2.00 Å R-free 0.282
5LB5 Crystal structure of human RECQL5 helicase in complex with ADP/Mg (tricilinc form). Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain D 10–453（444 aa）
Not recorded ZN ZINC ION × 1 DMS DIMETHYL SULFOXIDE × 1 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1M tris pH 7.5, 23% PEG3350, 0.1M sodium chloride
Resolution 2.00 Å R-free 0.282
5LB8 Crystal structure of human RECQL5 helicase APO form. Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 11–526（516 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7；293 K；17.5% Peg 3350, 0.2M Potassium Thiocyanate, 0.1M Hepes pH 7.0, 10% ethelene glycol
Resolution 3.40 Å R-free 0.322
5LB8 Crystal structure of human RECQL5 helicase APO form. Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain D 11–526（516 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7；293 K；17.5% Peg 3350, 0.2M Potassium Thiocyanate, 0.1M Hepes pH 7.0, 10% ethelene glycol
Resolution 3.40 Å R-free 0.322
5LBA Crystal structure of human RECQL5 helicase in complex with DSPL fragment(1-cyclohexyl-3-(oxolan-2-ylmethyl)urea, SGC - Diamond XChem I04-1 fragment screening. Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 11–453（443 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 DMS DIMETHYL SULFOXIDE × 1 6SV 1-cyclohexyl-3-[[(2~{R})-oxolan-2-yl]methyl]urea × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1M tris pH 9.0 -- 29% PEG3350 -- 0.1M sodium chloride
Resolution 2.50 Å R-free 0.303
5LBA Crystal structure of human RECQL5 helicase in complex with DSPL fragment(1-cyclohexyl-3-(oxolan-2-ylmethyl)urea, SGC - Diamond XChem I04-1 fragment screening. Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 11–453（443 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 DMS DIMETHYL SULFOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1M tris pH 9.0 -- 29% PEG3350 -- 0.1M sodium chloride
Resolution 2.50 Å R-free 0.303
5LBA Crystal structure of human RECQL5 helicase in complex with DSPL fragment(1-cyclohexyl-3-(oxolan-2-ylmethyl)urea, SGC - Diamond XChem I04-1 fragment screening. Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain C 11–453（443 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1M tris pH 9.0 -- 29% PEG3350 -- 0.1M sodium chloride
Resolution 2.50 Å R-free 0.303
5LBA Crystal structure of human RECQL5 helicase in complex with DSPL fragment(1-cyclohexyl-3-(oxolan-2-ylmethyl)urea, SGC - Diamond XChem I04-1 fragment screening. Deposited 2016-06-15 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain D 11–453（443 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 DMS DIMETHYL SULFOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1M tris pH 9.0 -- 29% PEG3350 -- 0.1M sodium chloride
Resolution 2.50 Å R-free 0.303
7ZML Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G1-001 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.9；293 K；0.1M bis-tris pH 5.9 -- 0.1M lithium sulfate -- 30% PEG3350
Resolution 2.79 Å R-free 0.261
7ZML Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G1-001 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.9；293 K；0.1M bis-tris pH 5.9 -- 0.1M lithium sulfate -- 30% PEG3350
Resolution 2.79 Å R-free 0.261
7ZML Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G1-001 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.9；293 K；0.1M bis-tris pH 5.9 -- 0.1M lithium sulfate -- 30% PEG3350
Resolution 2.79 Å R-free 0.261
7ZML Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G1-001 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.9；293 K；0.1M bis-tris pH 5.9 -- 0.1M lithium sulfate -- 30% PEG3350
Resolution 2.79 Å R-free 0.261
7ZMM Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G2-001 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 11–453（443 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.2M sodium chloride -- 25% PEG3350 -- 0.1M bis-tris pH 6.5
Resolution 2.50 Å R-free 0.281
7ZMM Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G2-001 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 11–453（443 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.2M sodium chloride -- 25% PEG3350 -- 0.1M bis-tris pH 6.5
Resolution 2.50 Å R-free 0.281
7ZMM Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G2-001 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 11–453（443 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.2M sodium chloride -- 25% PEG3350 -- 0.1M bis-tris pH 6.5
Resolution 2.50 Å R-free 0.281
7ZMM Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G2-001 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 11–453（443 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.2M sodium chloride -- 25% PEG3350 -- 0.1M bis-tris pH 6.5
Resolution 2.50 Å R-free 0.281
7ZMN Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G3-048 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；2M ammonium sulfate -- 0.1M HEPES pH 7.5
Resolution 3.20 Å R-free 0.275
7ZMN Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G3-048 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；2M ammonium sulfate -- 0.1M HEPES pH 7.5
Resolution 3.20 Å R-free 0.275
7ZMO Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G3-052 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；293 K；1M ammonium sulfate -- 0.5% PEG8000 -- 0.1M HEPES pH 7.0
Resolution 3.75 Å R-free 0.306
7ZMO Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G3-052 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；293 K；1M ammonium sulfate -- 0.5% PEG8000 -- 0.1M HEPES pH 7.0
Resolution 3.75 Å R-free 0.306
7ZMP Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G3-055 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 11–453（443 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；2.4M sodium malonate
Resolution 3.63 Å R-free 0.359
7ZMP Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G3-055 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 11–453（443 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；2.4M sodium malonate
Resolution 3.63 Å R-free 0.359
7ZMQ Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G2*-006 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.2M lithium sulfate -- 25% PEG3350 -- 0.1M tris pH 8.5
Resolution 2.70 Å R-free 0.258
7ZMQ Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G2*-006 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.2M lithium sulfate -- 25% PEG3350 -- 0.1M tris pH 8.5
Resolution 2.70 Å R-free 0.258
7ZMR Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G2*-011 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.2M lithium sulfate -- 25% PEG3350 -- 0.1M HEPES pH 7.5
Resolution 3.30 Å R-free 0.292
7ZMR Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G2*-011 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.2M lithium sulfate -- 25% PEG3350 -- 0.1M HEPES pH 7.5
Resolution 3.30 Å R-free 0.292
7ZMS Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G4-043 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 12–453（442 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.2M sodium chloride -- 25% PEG3350 -- 0.1M HEPES pH 7.5
Resolution 2.70 Å R-free 0.276
7ZMT Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G5-006 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 11–453（443 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2M sodium formate -- 20% PEG3350
Resolution 2.30 Å R-free 0.291
7ZMT Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G5-006 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 11–453（443 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2M sodium formate -- 20% PEG3350
Resolution 2.30 Å R-free 0.291
7ZMV Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G5-006 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.2M ammonium sulfate -- 25% PEG3350 -- 0.1M HEPES pH 7.5
Resolution 2.00 Å R-free 0.275
7ZMV Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G5-006 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.2M ammonium sulfate -- 25% PEG3350 -- 0.1M HEPES pH 7.5
Resolution 2.00 Å R-free 0.275
7ZMV Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G5-006 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.2M ammonium sulfate -- 25% PEG3350 -- 0.1M HEPES pH 7.5
Resolution 2.00 Å R-free 0.275
7ZMV Crystal structure of human RECQL5 helicase APO form in complex with engineered nanobody (Gluebody) G5-006 Deposited 2022-04-19 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 11–453（443 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.2M ammonium sulfate -- 25% PEG3350 -- 0.1M HEPES pH 7.5
Resolution 2.00 Å R-free 0.275
8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain R 1–650（650 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain R 1–650（650 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 7.70 Å
8RL5 DNA helicase RECQL5 in complex with homo Di-Gluebody G5-006 Deposited 2024-01-02 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain A 12–453（442 aa）
Chain B 12–453（442 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.79 Å
8RL6 DNA helicase RECQL5 in complex with homo Di-Gluebody G5-006 - RECQL5 local refinement Deposited 2024-01-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 12–453（442 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.18 Å
8RL9 RECQL5:sfGFP hetero dimer assembled by Di-Gluebody Deposited 2024-01-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain A 12–453（442 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.22 Å
8RLA RECQL5:sfGFP hetero dimer assembled by Di-Gluebody - RECQL5 local refinement Deposited 2024-01-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 12–453（442 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.03 Å
9EI1 Cryo-EM structure of Human RNA polymerase II Elongation Complex bound to the RECQL5 helicase in the absence of nucleotide Deposited 2024-11-25 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain U 1–991（991 aa）
Mutation：D157A ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9EI2 Cryo-EM structure of Human RNA polymerase II Elongation Complex bound to an apo RECQL5 helicase (RECQL5 IRI Module focused-classified) Deposited 2024-11-25 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain U 1–991（991 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9EI3 Cryo-EM structure of Human RNA polymerase II Elongation Complex bound to the RECQL5 helicase in the presence of AMPPNP Deposited 2024-11-25 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain U 1–991（991 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9EI4 Cryo-EM structure of Human RNA polymerase II Elongation Complex bound to the RECQL5 helicase in the presence of ADP Deposited 2024-11-25 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain U 1–991（991 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain O 1–991（991 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain O 1–991（991 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain O 1–991（991 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å

28 other PDB entries and 51 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RECQ5_HUMAN
Isoform —
PDB entities 16
Chains and sequence ranges Author chain R； PDBConstruct 1–650； UniProt 1–650

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

SAXS profile for 8qw9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8qw9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8qw9
Deposition date deposition_date2023-10-19
Structure title titleRNAPII elongation complex bound to RECQ5_R502E
Keywords keywordsRNA polymerase II; transcription inhibition; electron cryomicroscopy; electron cryotomography, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodELECTRON MICROSCOPY
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier51.52 Å
Radius of gyration Rg (electron density) rg_electron51.32 Å
Forward intensity I(0) i03032560000.00
Molecular weight molecular_weight452620.0 kDa
Excluded volume excluded_volume563160 ų
Envelope volume envelope_volume808770 ų
Hydration-shell volume shell_volume124900 ų
Envelope diameter envelope_diameter172.2 Å
Shell Rg shell_rg59.29 Å
Envelope Rg envelope_rg51.03 Å
Shape Rg shape_rg51.35 Å
Total Rg total_rg51.44 Å
Total atoms total_atoms32356
Residues n_residues3946
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 Å−1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3
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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax168.7 Å
Rg (real space) rg_real51.34 Å
Rg uncertainty (real space) rg_real_error1.05 Å
I(0) (real space) i0_real3.0330e+09
I(0) uncertainty (real space) i0_real_error5.6890e+07
Rg (reciprocal space) rg_reciprocal51.65 Å
I(0) (reciprocal space) i0_reciprocal3034000000.0000
Solution quality estimate total_estimate0.8785
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary65.3 Å
Skewness Skewness skewness0.215
Kurtosis Kurtosis kurtosis-0.402
Angular range angular_range— – 0.1550 Å−1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha550000000.0000
Real-space data points n_real_points32
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.853; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.873
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (18)

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8. Citations (1)

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9. Files and Curves (10)