Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

1EAW

Crystal structure of the MTSP1 (matriptase)-BPTI (aprotinin) complex

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
B0004867molecular_functionserine-type endopeptidase inhibitor activity
C0004252molecular_functionserine-type endopeptidase activity
C0006508biological_processproteolysis
D0004867molecular_functionserine-type endopeptidase inhibitor activity
Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC
ChainResidueDetails
AVAL53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPLS
ChainResidueDetails
AASP189-SER200

site_idPS00280
Number of Residues19
DetailsBPTI_KUNITZ_1 Pancreatic trypsin inhibitor (Kunitz) family signature. FvyGGCrakrnnFksaedC
ChainResidueDetails
BPHE33-CYS51

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues478
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues100
DetailsDomain: {"description":"BPTI/Kunitz inhibitor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00031","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsSite: {"description":"Reactive bond for trypsin"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
ASER195
AHIS57

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CASP102
CSER195
CHIS57

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
ASER195
AGLY193
AHIS57

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CASP102
CSER195
CGLY193
CHIS57

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
ASER195
AHIS57
AGLY196

site_idCSA6
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CASP102
CSER195
CHIS57
CGLY196

site_idCSA7
Number of Residues5
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
ASER195
AGLY193
AHIS57
AASP96
ASER214

site_idCSA8
Number of Residues5
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
CSER195
CGLY193
CHIS57
CASP96
CSER214

242199

PDB entries from 2025-09-24

PDB statisticsPDBj update infoContact PDBjnumon