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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P9WHJ4 New Search
18PDB entries
18Biological assembly
18chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
4X8K Mycobacterium tuberculosis RbpA-SID in complex with SigmaA domain 2 Deposited 2014-12-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 23–111（89 aa）
Not recorded SO4 SULFATE ION × 3 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295.15 K；0.1M Tris pH 8.5, 0.5M ammonium sulfate
Resolution 2.20 Å R-free 0.231
6EDT Mycobacterium tuberculosis RNAP open promoter complex with RbpA/CarD and AP3 promoter Deposited 2018-08-10 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric（9） Consistent with all polymers
Chain J 1–111（111 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
6VVX Mycobacterium tuberculosis WT RNAP transcription initiation intermediate structure with Sorangicin Deposited 2020-02-18 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric（11） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric（11） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain J 1–111（111 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
9E7V Off-pathway Mycobacterium tuberculosis transcription initiation promoter complex (RNA Polymerase with Sigma-A, CarD, and RbpA) Deposited 2024-11-04 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain J 1–111（111 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 3.40 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 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: undecameric（11） Consistent with all polymers
Chain J 1–111（111 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
9E84 De Novo Mycobacterium tuberculosis transcription initiation promoter complex with 6-mer RNA and disordered Sigma-A region 4 domain (RNA Polymerase with Sigma-A, CarD, and RbpA) Deposited 2024-11-05 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: 11-meric（11） Consistent with all polymers
Chain J 1–111（111 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 3.60 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 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: 11-meric（11） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: 11-meric（11） Consistent with all polymers
Chain J 1–111（111 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 Assembly 1 Insufficient information Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain J 1–111（111 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

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.