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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：P00131 New Search
6PDB entries
9Biological assembly
10chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification 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
1A2I SOLUTION STRUCTURE OF DESULFOVIBRIO VULGARIS (HILDENBOROUGH) FERROCYTOCHROME C3, NMR, 20 STRUCTURES Deposited 1998-01-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 23–129（107 aa）
Not recorded HEC HEME C × 4 SOLUTION NMR
NMR measurement conditions pH 8.5；303 K
Resolution not provided
1GX7 Best model of the electron transfer complex between cytochrome c3 and [Fe]-hydrogenase Deposited 2002-03-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain E 23–129（107 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 3 PDT 1,3-PROPANEDITHIOL × 1 FE2 FE (II) ION × 2 CYN CYANIDE ION × 2 CMO CARBON MONOXIDE × 2 HEC HEME C × 4 Not declared
NMR measurement conditions pH 5.9；296 K；Ionic strength (raw mmCIF value) 10 MM PHOSPHATE BUFFER；Pressure 1
Resolution not provided
1MDV KEY ROLE OF PHENYLALANINE 20 IN CYTOCHROME C3: STRUCTURE, STABILITY AND FUNCTION STUDIES Deposited 1998-09-08 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 23–129（107 aa）
Mutation：F20L HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.6；pH 7.6
Resolution 2.30 Å R-free 0.296
1MDV KEY ROLE OF PHENYLALANINE 20 IN CYTOCHROME C3: STRUCTURE, STABILITY AND FUNCTION STUDIES Deposited 1998-09-08 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 23–129（107 aa）
Mutation：F20L HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.6；pH 7.6
Resolution 2.30 Å R-free 0.296
1MDV KEY ROLE OF PHENYLALANINE 20 IN CYTOCHROME C3: STRUCTURE, STABILITY AND FUNCTION STUDIES Deposited 1998-09-08 Assembly 3 Protein homooligomer Homooligomer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 23–129（107 aa）
Chain B 23–129（107 aa）
Mutation：F20L Mutation：F20L HEM PROTOPORPHYRIN IX CONTAINING FE × 32 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.6；pH 7.6
Resolution 2.30 Å R-free 0.296
2BPN SOLUTION STRUCTURE OF DESULFOVIBRIO VULGARIS (HILDENBOROUGH) FERRICYTOCHROME C3, NMR, 20 STRUCTURES Deposited 2005-04-21 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 23–129（107 aa） Fragment：CYTOCHROME C3, RESIDUES 23-129
Not recorded HEC HEME C × 4 SOLUTION NMR
NMR measurement conditions pH 7.1；303 K
NMR sample composition 92% WATER/8% D2O AND 100% D2O
Resolution not provided
2CTH CYTOCHROME C3 FROM DESULFOVIBRIO VULGARIS HILDENBOROUGH Deposited 1997-06-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 23–129（107 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；PROTEIN WAS CRYSTALLIZED FROM 75% (V/V) ETHANOL AND 0.05 M SODIUM ACETATE (PH 5.5)
Resolution 1.67 Å R-free 0.190
2CTH CYTOCHROME C3 FROM DESULFOVIBRIO VULGARIS HILDENBOROUGH Deposited 1997-06-18 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 23–129（107 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；PROTEIN WAS CRYSTALLIZED FROM 75% (V/V) ETHANOL AND 0.05 M SODIUM ACETATE (PH 5.5)
Resolution 1.67 Å R-free 0.190
2CYM EFFECTS OF AMINO ACID SUBSTITUTION ON THREE-DIMENSIONAL STRUCTURE: AN X-RAY ANALYSIS OF CYTOCHROME C3 FROM DESULFOVIBRIO VULGARIS HILDENBOROUGH AT 2 ANGSTROMS RESOLUTION Deposited 1993-09-29 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 23–129（107 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 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.