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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：A0A045HD00 New Search
9PDB entries
9Biological assembly
9chain/assembly records
Main Difference Dimensions in This Set
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
6BZO Mtb RNAP Holo/RbpA/Fidaxomicin/upstream fork DNA Deposited 2017-12-25 Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric（9） Consistent with all polymers
Chain F 1–528（528 aa）
Not recorded FI8 Fidaxomicin × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.38 Å
6C04 Mtb RNAP Holo/RbpA/double fork DNA -closed clamp Deposited 2017-12-27 Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: undecameric（11） Consistent with all polymers
Chain F 1–528（528 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 3.27 Å
6C05 Mycobacterium tuberculosis RNAP Holo/RbpA in relaxed state Deposited 2017-12-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain F 1–528（528 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 5.15 Å
6C06 Mycobacterium tuberculosis RNAP Holo/RbpA/Fidaxomicin Deposited 2017-12-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain F 1–528（528 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 1 FI8 Fidaxomicin × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.15 Å
7U22 Mycobacterium tuberculosis RNA polymerase sigma A holoenzyme open promoter complex containing UMN-7 Deposited 2022-02-22 Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric（8） Consistent with all polymers
Chain F 1–528（528 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
9JI2 Cryo-EM structure of Mycobacterium tuberculosis transcription activation complex with unphosphated PhoP Deposited 2024-09-11 Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric（8） Consistent with all polymers
Chain F 1–528（528 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.38 Å
9JI3 Cryo-EM structure of Mycobacterium tuberculosis transcription activation complex with two PhoP molecules Deposited 2024-09-11 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain F 1–528（528 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.36 Å
9JI4 Cryo-EM structure of Mycobacterium tuberculosis transcription activation complex with four PhoP molecules Deposited 2024-09-11 Assembly 1 Protein–DNA Heteromer；Protein × 10 PDB declaration: 12-meric（12） Consistent with all polymers
Chain F 1–528（528 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.54 Å
9JI5 Cryo-EM structure of Mycobacterium tuberculosis transcription activation complex with six PhoP molecules Deposited 2024-09-11 Assembly 1 Protein–DNA Heteromer；Protein × 13 PDB declaration: 15-meric（15） Consistent with all polymers
Chain F 1–528（528 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 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.