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3D4U

Bovine thrombin-activatable fibrinolysis inhibitor (TAFIa) in complex with tick-derived carboxypeptidase inhibitor.

Functional Information from GO Data
ChainGOidnamespacecontents
A0004181molecular_functionmetallocarboxypeptidase activity
A0006508biological_processproteolysis
A0008270molecular_functionzinc ion binding
A0042730biological_processfibrinolysis
B0004857molecular_functionenzyme inhibitor activity
B0005576cellular_componentextracellular region
B0007596biological_processblood coagulation
B0008191molecular_functionmetalloendopeptidase inhibitor activity
B0010951biological_processnegative regulation of endopeptidase activity
B0030414molecular_functionpeptidase inhibitor activity
B0035821biological_processmodulation of process of another organism
B0044002biological_processacquisition of nutrients from host
B0090729molecular_functiontoxin activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 309
ChainResidue
AHIS69
AGLU72
AHIS196
BLEU74

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT A 601
ChainResidue
BLEU74
AHIS69
AARG127
AASN144
AARG145
ATYR248

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ACT A 602
ChainResidue
APRO46
ALEU47
ATYR48
APRO109

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 603
ChainResidue
ASER157
ASER158
BARG52

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 604
ChainResidue
ATYR208
ASER209
ASER211
AHIS1501

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 605
ChainResidue
AHIS216
ASER220
AARG224

site_idAC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 606
ChainResidue
ASER14
AASN16

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 607
ChainResidue
ALYS135
AASN136
AALA137
ASER160
ACYS161

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU01379","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P00730","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01379","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"18669641","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Cleavage; by thrombin","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1cbx
ChainResidueDetails
AARG127
AGLU270

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1cbx
ChainResidueDetails
AARG71
AGLU270
AARG127

242500

PDB entries from 2025-10-01

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