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2AB9

Discovery, structural determination and processing of the precursor protein that produces the cyclic trypsin inhibitor SFTI-1

Functional Information from GO Data
ChainGOidnamespacecontents
A0002020molecular_functionprotease binding
A0004866molecular_functionendopeptidase inhibitor activity
A0004867molecular_functionserine-type endopeptidase inhibitor activity
A0030414molecular_functionpeptidase inhibitor activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues13
DetailsPropeptide: {"featureId":"PRO_0000042672","evidences":[{"evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10390350","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues13
DetailsPeptide: {"description":"Trypsin inhibitor 1","featureId":"PRO_0000042673"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsPropeptide: {"featureId":"PRO_0000042674"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Reactive bond","evidences":[{"source":"UniProtKB","id":"P81705","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsCross-link: {"description":"Cyclopeptide (Gly-Asp)"}
ChainResidueDetails

242500

PDB entries from 2025-10-01

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