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5C67

Human Mesotrypsin in complex with amyloid precursor protein inhibitor variant APPI-M17G/I18F/F34V

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
B0004252molecular_functionserine-type endopeptidase activity
B0006508biological_processproteolysis
C0004867molecular_functionserine-type endopeptidase inhibitor activity
E0004867molecular_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_idPS00280
Number of Residues19
DetailsBPTI_KUNITZ_1 Pancreatic trypsin inhibitor (Kunitz) family signature. FvyGGCggnrnnFdteeyC
ChainResidueDetails
EPHE33-CYS51

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues440
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","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"27810896","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11827488","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25301953","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27810896","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1H4W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L33","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L3T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P92","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P95","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4U30","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4U32","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5JBT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TP0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11827488","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25301953","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27810896","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1H4W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L33","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L3T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P92","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P95","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4U30","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4U32","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5JBT","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11827488","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25301953","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27810896","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1H4W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L33","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L3T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P92","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P95","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4U32","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5JBT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TP0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsSite: {"description":"Required for specificity","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Sulfotyrosine","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues100
DetailsDomain: {"description":"BPTI/Kunitz inhibitor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00031","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsSite: {"description":"Reactive bond"}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
DetailsModified residue: {"description":"Sulfotyrosine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

244349

PDB entries from 2025-11-05

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