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3NXP

Crystal structure of human prethrombin-1

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0005509molecular_functioncalcium ion binding
A0005576cellular_componentextracellular region
A0006508biological_processproteolysis
A0007596biological_processblood coagulation
Functional Information from PROSITE/UniProt
site_idPS00021
Number of Residues14
DetailsKRINGLE_1 Kringle domain signature. FCRNpdgdeegvWC
ChainResidueDetails
APHE218-CYS231

site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC
ChainResidueDetails
ALEU453-CYS458

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DAceGDSGGPFV
ChainResidueDetails
AASP589-VAL600

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues78
DetailsDomain: {"description":"Kringle 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00121","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues22
DetailsRegion: {"description":"High affinity receptor-binding region which is also known as the TP508 peptide"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Cleavage; by factor Xa","evidences":[{"source":"PubMed","id":"34265300","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) (complex) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19139490","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19838169","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"873923","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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