DNA-directed RNA polymerase subunit alpha
Mycobacterium tuberculosis
State in the Current Structure
| Assembly | Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Associated Components | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|
| 1 | Insufficient information Heteromer Protein × 8 DNA 2 PDB declaration: decameric(10) Consistent with all polymer counts | Chain A; UniProt 1–347 Chain B; UniProt 1–347 | Not recorded | DNA-directed RNA polymerase subunit beta × 1 (A5U052) ;DNA-directed RNA polymerase subunit beta' ; × 1 (P0A675) DNA-directed RNA polymerase subunit omega × 1 (A0A045H2R3) RNA polymerase sigma factor SigA × 1 (P0A603) RNA polymerase-binding protein RbpA × 1 (P9WHJ4) Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD × 1 (Q12306,P9WJG2) DNA (50-MER) × 1 DNA (42-MER) × 1 POP PYROPHOSPHATE 2- × 1 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 |
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 9E7V | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 6EDT Mycobacterium tuberculosis RNAP open promoter complex with RbpA/CarD and AP3 promoter Deposited 2018-08-10 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 8 PDB declaration: decameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 3.60 Å |
| 6EE8 Mycobacterium tuberculosis RNAP promoter unwinding intermediate complex with RbpA/CarD and AP3 promoter Deposited 2018-08-13 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 8 PDB declaration: decameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 3.92 Å |
| 6EEC Mycobacterium tuberculosis RNAP promoter unwinding intermediate complex with RbpA/CarD and AP3 promoter captured by Corallopyronin Deposited 2018-08-13 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 8 PDB declaration: decameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | C0L methyl [(1E,5R)-5-{(3E)-3-[(2E,4E,8R,9E,12E)-1,8-dihydroxy-2,5,9-trimethyltetradeca-2,4,9,12-tetraen-1-ylidene]-2,4-dioxo-3,4-d ihydro-2H-pyran-6-yl}hex-1-en-1-yl]carbamate × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.55 Å |
| 6M7J Mycobacterium tuberculosis RNAP with RbpA/us fork and Corallopyronin Deposited 2018-08-20 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 7 PDB declaration: nonameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | ZN ZINC ION × 2 MG MAGNESIUM ION × 1 C0L methyl [(1E,5R)-5-{(3E)-3-[(2E,4E,8R,9E,12E)-1,8-dihydroxy-2,5,9-trimethyltetradeca-2,4,9,12-tetraen-1-ylidene]-2,4-dioxo-3,4-d ihydro-2H-pyran-6-yl}hex-1-en-1-yl]carbamate × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.40 Å |
| 6TYE Crystal structure of MTB sigma L transcription initiation complex with 5 nt long RNA primer Deposited 2019-08-08 | 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 A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;295 K;100 mM sodium citrate tribasic dihydrate, pH 5.6, 200 mM sodium acetate, and 10% PEG4000
|
Resolution 3.79 Å R-free 0.279 |
| 6TYF Crystal structure of MTB sigma L transcription initiation complex with 6 nt long RNA primer Deposited 2019-08-08 | 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 A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;100 mM sodium citrate tribasic dihydrate, pH 5.6, 200 mM sodium acetate, and 10% PEG4000
|
Resolution 3.80 Å R-free 0.300 |
| 6TYG Crystal structure of MTB sigma L transcription initiation complex with 9 nt long RNA primer Deposited 2019-08-08 | 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 A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;100 mM sodium citrate tribasic dihydrate, pH 5.6, 200 mM sodium acetate, and 10% PEG4000
|
Resolution 3.50 Å R-free 0.293 |
| 6VVX Mycobacterium tuberculosis WT RNAP transcription initiation intermediate structure with Sorangicin Deposited 2020-02-18 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 8 PDB declaration: decameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | SRN SORANGICIN A × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.39 Å |
| 6VVY Mycobacterium tuberculosis WT RNAP transcription open promoter complex with Sorangicin Deposited 2020-02-18 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 8 PDB declaration: decameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | SRN SORANGICIN A × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.42 Å |
| 6VVZ Mycobacterium tuberculosis RNAP S456L mutant transcription initiation intermediate structure with Sorangicin Deposited 2020-02-18 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 8 PDB declaration: decameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | SRN SORANGICIN A × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.72 Å |
| 6VW0 Mycobacterium tuberculosis RNAP S456L mutant open promoter complex Deposited 2020-02-18 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 8 PDB declaration: decameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 3.59 Å |
| 7KIF Mycobacterium tuberculosis WT RNAP transcription open promoter complex with WhiB7 transcription factor Deposited 2020-10-23 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 9 PDB declaration: undecameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | ZN ZINC ION × 2 MG MAGNESIUM ION × 1 SF4 IRON/SULFUR CLUSTER × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 2.94 Å |
| 7KIM Mycobacterium tuberculosis WT RNAP transcription closed promoter complex with WhiB7 transcription factor Deposited 2020-10-23 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 9 PDB declaration: undecameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | ZN ZINC ION × 2 MG MAGNESIUM ION × 1 SF4 IRON/SULFUR CLUSTER × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.38 Å |
| 7KIN Mycobacterium tuberculosis WT RNAP transcription open promoter complex with WhiB7 promoter Deposited 2020-10-23 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 8 PDB declaration: decameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 2.74 Å |
| 7RWI Mycobacterium tuberculosis RNA polymerase sigma L holoenzyme open promoter complex containing TNP-2198 Deposited 2021-08-19 | 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 A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | 7US (3aM,9S,10bP,14S,15R,16S,17R,18R,19R,20S,21S,25R)-6,18,20-trihydroxy-14-methoxy-7,9,15,17,19,21,25-heptamethyl-1'-[2-(2-methyl-5-nitro-1H-imidazol-1-yl)ethyl]-5,10,26-trioxo-3,5,9,10-tetrahydrospiro[9,4-(epoxypentadecanoimino)furo[2',3':7,8]naphtho[1,2-d]imidazole-2,4'-piperidin]-16-yl acetate × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;100 mM sodium citrate tribasic dihydrate, pH 5.6, 200 mM sodium acetate, 10% PEG4000
|
Resolution 3.70 Å R-free 0.245 |
| 7U22 Mycobacterium tuberculosis RNA polymerase sigma A holoenzyme open promoter complex containing UMN-7 Deposited 2022-02-22 | 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 A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | KYO (9S,14S,15R,16S,17R,18R,19R,20S,21S,25R)-5,6,18,20-tetrahydroxy-14-methoxy-7,9,15,17,19,21,25-heptamethyl-1'-(2-methylpropyl)-10,26-dioxo-1,3,9,10-tetrahydrospiro[9,4-(epoxypentadecanoimino)furo[2',3':7,8]naphtho[1,2-d]imidazole-2,4'-piperidin]-16-yl benzoate × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.2;296 K;20 mM Tris-HCl, pH 8.2, 200 mM potassium chloride, 20 mM magnesium chloride, 7% (m/v) PEG-3350
|
Resolution 3.87 Å R-free 0.278 |
| 8E74 Mycobacterium tuberculosis RNAP paused elongation complex with NusG transcription factor Deposited 2022-08-23 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Other combination Heteromer;Protein × 6 PDB declaration: nonameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 2.94 Å |
| 8E79 Mycobacterium tuberculosis RNAP paused elongation complex with Escherichia coli NusG transcription factor Deposited 2022-08-23 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Other combination Heteromer;Protein × 6 PDB declaration: nonameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 3.71 Å |
| 8E82 Mycobacterium tuberculosis RNAP elongation complex with NusG transcription factor Deposited 2022-08-25 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Other combination Heteromer;Protein × 6 PDB declaration: nonameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 3.03 Å |
| 8E8M Mycobacterium tuberculosis RNAP paused elongation complex Deposited 2022-08-25 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Other combination Heteromer;Protein × 5 PDB declaration: octameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 3.13 Å |
| 8E95 Mycobacterium tuberculosis RNAP elongation complex Deposited 2022-08-26 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Other combination Heteromer;Protein × 5 PDB declaration: octameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 2.90 Å |
| 9E7Y De Novo Mycobacterium tuberculosis transcription initiation promoter complex with 7-mer RNA and disordered Beta' Lid element (RNA Polymerase with Sigma-A, CarD, and RbpA) Deposited 2024-11-04 | Different oligomeric state Different structure-quality metrics | Assembly 1 Insufficient information Heteromer;Protein × 8 PDB declaration: undecameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | POP PYROPHOSPHATE 2- × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.20 Å |
| 9E85 De Novo Mycobacterium tuberculosis transcription initiation promoter complex with 6-mer RNA and closed Beta' clamp (RNA Polymerase with Sigma-A, CarD, and RbpA) Deposited 2024-11-05 | Different oligomeric state Different structure-quality metrics | Assembly 1 Insufficient information Heteromer;Protein × 8 PDB declaration: 11-meric |
Chain A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | POP PYROPHOSPHATE 2- × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.10 Å |
| 9E86 De Novo Mycobacterium tuberculosis transcription initiation promoter complex with 5-mer RNA and open Beta' clamp (RNA Polymerase with Sigma-A, CarD, and RbpA) Deposited 2024-11-05 | Different oligomeric state Different structure-quality metrics | Assembly 1 Insufficient information Heteromer;Protein × 8 PDB declaration: 11-meric |
Chain A
1–347(347 aa)
Chain B
1–347(347 aa)
|
Not recorded | POP PYROPHOSPHATE 2- × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.80 Å |
| 9E87 De Novo Mycobacterium tuberculosis transcription initiation pre-RPO promoter complex with open Beta' clamp (RNA Polymerase with Sigma-A, CarD, and RbpA) Deposited 2024-11-05 | Different ligand/ion Different structure-quality metrics | Assembly 1 Insufficient information Heteromer;Protein × 8 PDB declaration: decameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 3.60 Å |
| 9E88 De novo backtracked transcription elongation complex of Mycobacterium tuberculosis RNA polymerase on a linear DNA fragment (TEC-Backtracked) Deposited 2024-11-05 | Different oligomeric state Different ligand/ion | Assembly 1 Insufficient information Heteromer;Protein × 6 PDB declaration: nonameric |
Chain A
1–347(347 aa)
Chain B
1–347(347 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 |
26 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | RPOA_MYCTA |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 1–347; UniProt 1–347 Author chain B; PDBConstruct 1–347; UniProt 1–347 |