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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：P03956 New Search
14PDB entries
23Biological 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
1AYK INHIBITOR-FREE CATALYTIC FRAGMENT OF HUMAN FIBROBLAST COLLAGENASE, NMR, 30 STRUCTURES Deposited 1997-11-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 101–269（169 aa）
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 1 SOLUTION NMR
NMR measurement conditions pH 6.5；308 K；Pressure 1
Resolution not provided
1CGE CRYSTAL STRUCTURES OF RECOMBINANT 19-KDA HUMAN FIBROBLAST COLLAGENASE COMPLEXED TO ITSELF Deposited 1994-02-03 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 102–269（168 aa）
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.90 Å
1CGF CRYSTAL STRUCTURES OF RECOMBINANT 19-KDA HUMAN FIBROBLAST COLLAGENASE COMPLEXED TO ITSELF Deposited 1994-02-03 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 102–263（162 aa）
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.10 Å
1CGF CRYSTAL STRUCTURES OF RECOMBINANT 19-KDA HUMAN FIBROBLAST COLLAGENASE COMPLEXED TO ITSELF Deposited 1994-02-03 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 102–263（162 aa）
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.10 Å
1HFC 1.56 ANGSTROM STRUCTURE OF MATURE TRUNCATED HUMAN FIBROBLAST COLLAGENASE Deposited 1994-09-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 101–269（169 aa）
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 1 PLH METHYLAMINO-PHENYLALANYL-LEUCYL-HYDROXAMIC ACID × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.50 Å
1SU3 X-ray structure of human proMMP-1: New insights into collagenase action Deposited 2004-03-26 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 20–469（450 aa）
Not recorded CA CALCIUM ION × 4 CL CHLORIDE ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 2 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；1.5M Li2SO4, 0.1M Hepes, pH 7.5, VAPOR DIFFUSION, SITTING DROP
Resolution 2.20 Å R-free 0.252
1SU3 X-ray structure of human proMMP-1: New insights into collagenase action Deposited 2004-03-26 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 20–469（450 aa）
Not recorded CA CALCIUM ION × 4 CL CHLORIDE ION × 1 NA SODIUM ION × 1 ZN ZINC ION × 2 SO4 SULFATE ION × 4 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；1.5M Li2SO4, 0.1M Hepes, pH 7.5, VAPOR DIFFUSION, SITTING DROP
Resolution 2.20 Å R-free 0.252
1SU3 X-ray structure of human proMMP-1: New insights into collagenase action Deposited 2004-03-26 Assembly 3 Protein homooligomer Homooligomer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain B 20–469（450 aa）
Not recorded CA CALCIUM ION × 32 CL CHLORIDE ION × 8 NA SODIUM ION × 8 ZN ZINC ION × 16 SO4 SULFATE ION × 32 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；1.5M Li2SO4, 0.1M Hepes, pH 7.5, VAPOR DIFFUSION, SITTING DROP
Resolution 2.20 Å R-free 0.252
2AYK INHIBITOR-FREE CATALYTIC FRAGMENT OF HUMAN FIBROBLAST COLLAGENASE, NMR, MINIMIZED AVERAGE STRUCTURE Deposited 1997-11-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 101–269（169 aa）
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 1 SOLUTION NMR
NMR measurement conditions pH 6.5；308 K；Ionic strength (raw mmCIF value) 10 mM TRIS BASE, 100 mM NACL, 5 mM CACL2, 0.1 mM ZNCL2, 2mM NAN3, 10 mM DEUTERATED DTT, 90% H2O/10%D2O OR 100% D2O；Pressure 1
Resolution not provided
2CLT Crystal structure of the active form (full-length) of human fibroblast collagenase. Deposited 2006-04-29 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 100–466（367 aa）
Mutation：YES CA CALCIUM ION × 4 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；0.1M TRIS (7.5); 10% PEG 8000; 1.5M AMMONIUM FORMATE, pH 7.50
Resolution 2.67 Å R-free 0.259
2CLT Crystal structure of the active form (full-length) of human fibroblast collagenase. Deposited 2006-04-29 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 100–466（367 aa）
Mutation：YES CA CALCIUM ION × 4 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；0.1M TRIS (7.5); 10% PEG 8000; 1.5M AMMONIUM FORMATE, pH 7.50
Resolution 2.67 Å R-free 0.259
2J0T Crystal Structure of the Catalytic Domain of MMP-1 in Complex with the Inhibitory Domain of TIMP-1 Deposited 2006-08-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 101–269（169 aa） Fragment：CATALYTIC DOMAIN, RESIDUES 101-269
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；10% PEG 8000, 8% ETHYLENE GLYCOL, 0.1M HEPES (PH 7.5).
Resolution 2.54 Å R-free 0.275
2J0T Crystal Structure of the Catalytic Domain of MMP-1 in Complex with the Inhibitory Domain of TIMP-1 Deposited 2006-08-04 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 101–269（169 aa） Fragment：CATALYTIC DOMAIN, RESIDUES 101-269
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；10% PEG 8000, 8% ETHYLENE GLYCOL, 0.1M HEPES (PH 7.5).
Resolution 2.54 Å R-free 0.275
2J0T Crystal Structure of the Catalytic Domain of MMP-1 in Complex with the Inhibitory Domain of TIMP-1 Deposited 2006-08-04 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 101–269（169 aa） Fragment：CATALYTIC DOMAIN, RESIDUES 101-269
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；10% PEG 8000, 8% ETHYLENE GLYCOL, 0.1M HEPES (PH 7.5).
Resolution 2.54 Å R-free 0.275
2TCL STRUCTURE OF THE CATALYTIC DOMAIN OF HUMAN FIBROBLAST COLLAGENASE COMPLEXED WITH AN INHIBITOR Deposited 1994-09-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 101–269（169 aa） Fragment：CATALYTIC DOMAIN
Not recorded ZN ZINC ION × 2 SM SAMARIUM (III) ION × 1 CA CALCIUM ION × 2 RO4 [[1-[N-HYDROXY-ACETAMIDYL]-3-METHYL-BUTYL]-CARBONYL-LEUCINYL]-ALANINE ETHYL ESTER × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.20 Å
3AYK CATALYTIC FRAGMENT OF HUMAN FIBROBLAST COLLAGENASE COMPLEXED WITH CGS-27023A, NMR, MINIMIZED AVERAGE STRUCTURE Deposited 1999-02-01 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 101–269（169 aa） Fragment：CATALYTIC FRAGMENT
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 1 CGS N-HYDROXY-2(R)-[[(4-METHOXYPHENYL)SULFONYL](3-PICOLYL)AMINO]-3-METHYLBUTANAMIDE HYDROCHLORIDE × 1 SOLUTION NMR
NMR measurement conditions pH 6.5；308 K；Pressure 1
Resolution not provided
3SHI Crystal structure of human MMP1 catalytic domain at 2.2 A resolution Deposited 2011-06-16 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 106–261（156 aa） Fragment：UNP residues 106-261
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；30% PEG8000, 0.1 M Tris-HCl, pH 8.5
Resolution 2.20 Å R-free 0.278
3SHI Crystal structure of human MMP1 catalytic domain at 2.2 A resolution Deposited 2011-06-16 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain G 106–261（156 aa） Fragment：UNP residues 106-261
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；30% PEG8000, 0.1 M Tris-HCl, pH 8.5
Resolution 2.20 Å R-free 0.278
3SHI Crystal structure of human MMP1 catalytic domain at 2.2 A resolution Deposited 2011-06-16 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain M 106–261（156 aa） Fragment：UNP residues 106-261
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；30% PEG8000, 0.1 M Tris-HCl, pH 8.5
Resolution 2.20 Å R-free 0.278
4AUO Crystal structure of MMP-1(E200A) in complex with a triple-helical collagen peptide Deposited 2012-05-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 100–466（367 aa）
Mutation：YES CA CALCIUM ION × 4 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；pH 8
Resolution 3.00 Å R-free 0.273
4AUO Crystal structure of MMP-1(E200A) in complex with a triple-helical collagen peptide Deposited 2012-05-18 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 100–466（367 aa）
Mutation：YES CA CALCIUM ION × 4 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；pH 8
Resolution 3.00 Å R-free 0.273
4AYK CATALYTIC FRAGMENT OF HUMAN FIBROBLAST COLLAGENASE COMPLEXED WITH CGS-27023A, NMR, 30 STRUCTURES Deposited 1999-02-01 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 101–269（169 aa） Fragment：CATALYTIC FRAGMENT
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 1 CGS N-HYDROXY-2(R)-[[(4-METHOXYPHENYL)SULFONYL](3-PICOLYL)AMINO]-3-METHYLBUTANAMIDE HYDROCHLORIDE × 1 SOLUTION NMR
NMR measurement conditions pH 6.5；308 K；Pressure 1
Resolution not provided
966C CRYSTAL STRUCTURE OF FIBROBLAST COLLAGENASE-1 COMPLEXED TO A DIPHENYL-ETHER SULPHONE BASED HYDROXAMIC ACID Deposited 1998-08-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 108–264（157 aa） Fragment：CATALYTIC DOMAIN
Not recorded ZN ZINC ION × 2 CA CALCIUM ION × 3 RS2 N-HYDROXY-2-[4-(4-PHENOXY-BENZENESULFONYL)-TETRAHYDRO-PYRAN-4-YL]-ACETAMIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 1.90 Å R-free 0.330

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.