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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：Q91132 New Search
6PDB entries
10Biological assembly
23chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
3FRP Crystal Structure of Cobra Venom Factor, a Co-factor for C3- and C5 convertase CVFBb Deposited 2009-01-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 23–649（627 aa）
Chain B 1264–1642（379 aa）
Chain G 733–984（252 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；293 K；13% PEG 3350, 10 mM MES pH 6.8, 5 mM CaCl2, 200 mM NH4Cl, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.61 Å R-free 0.297
3HRZ Cobra Venom Factor (CVF) in complex with human factor B Deposited 2009-06-10 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 23–649（627 aa） Fragment：residues 23-649
Chain B 733–984（252 aa） Fragment：residues 733-984
Chain C 1264–1642（379 aa） Fragment：residues 1264-1642
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 MG MAGNESIUM ION × 2 K POTASSIUM ION × 1 P6G HEXAETHYLENE GLYCOL × 2 PO4 PHOSPHATE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；291 K；PEG 3350, PEG 400, Na/K Phosphate, Bis-Tris propane, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Resolution 2.20 Å R-free 0.226
3HS0 Cobra Venom Factor (CVF) in complex with human factor B Deposited 2009-06-10 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain F 23–649（627 aa） Fragment：residues 23-649
Chain G 733–984（252 aa） Fragment：residues 733-984
Chain H 1264–1642（379 aa） Fragment：residues 1264-1642
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；291 K；PEG 1500, 2,3 butanediol, malic acid 2-(N-morpholino)ethanesulfonic acid tris (hydroxymethyl)aminomethane buffer (MMT), pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Resolution 3.00 Å R-free 0.243
3HS0 Cobra Venom Factor (CVF) in complex with human factor B Deposited 2009-06-10 Assembly 2 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 23–649（627 aa） Fragment：residues 23-649
Chain B 733–984（252 aa） Fragment：residues 733-984
Chain C 1264–1642（379 aa） Fragment：residues 1264-1642
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；291 K；PEG 1500, 2,3 butanediol, malic acid 2-(N-morpholino)ethanesulfonic acid tris (hydroxymethyl)aminomethane buffer (MMT), pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Resolution 3.00 Å R-free 0.243
3HS0 Cobra Venom Factor (CVF) in complex with human factor B Deposited 2009-06-10 Assembly 3 Other combination Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 23–649（627 aa） Fragment：residues 23-649
Chain B 733–984（252 aa） Fragment：residues 733-984
Chain C 1264–1642（379 aa） Fragment：residues 1264-1642
Chain F 23–649（627 aa） Fragment：residues 23-649
Chain G 733–984（252 aa） Fragment：residues 733-984
Chain H 1264–1642（379 aa） Fragment：residues 1264-1642
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 MG MAGNESIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；291 K；PEG 1500, 2,3 butanediol, malic acid 2-(N-morpholino)ethanesulfonic acid tris (hydroxymethyl)aminomethane buffer (MMT), pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Resolution 3.00 Å R-free 0.243
3PRX Structure of Complement C5 in Complex with CVF and SSL7 Deposited 2010-11-30 Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–1642（1642 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.4；292 K；3 M sodium malonate, pH 7.4, VAPOR DIFFUSION, temperature 292K
Resolution 4.30 Å R-free 0.261
3PRX Structure of Complement C5 in Complex with CVF and SSL7 Deposited 2010-11-30 Assembly 2 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 1–1642（1642 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.4；292 K；3 M sodium malonate, pH 7.4, VAPOR DIFFUSION, temperature 292K
Resolution 4.30 Å R-free 0.261
3PVM Structure of Complement C5 in Complex with CVF Deposited 2010-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–1642（1642 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 4.30 Å R-free 0.262
3PVM Structure of Complement C5 in Complex with CVF Deposited 2010-12-07 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–1642（1642 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 4.30 Å R-free 0.262
8AYH Structure of Complement C5 in Complex with small molecule inhibitor and CVF Deposited 2022-09-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–1642（1642 aa）
Not recorded H1H 5-methoxy-2-[[(1~{S})-1-(2-methoxyphenyl)ethyl]carbamoylamino]-4-(4-methylpentoxy)benzoic acid × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50mM HEPES pH 7.5 100mM NaCl
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.35 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.