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1IHT

CRYSTAL STRUCTURE OF THE COMPLEX OF HUMAN ALPHA-THROMBIN AND NON-HYDROLYZABLE BIFUNCTIONAL INHIBITORS, HIRUTONIN-2 AND HIRUTONIN-6

Functional Information from GO Data
ChainGOidnamespacecontents
H0004252molecular_functionserine-type endopeptidase activity
H0005509molecular_functioncalcium ion binding
H0006508biological_processproteolysis
H0007596biological_processblood coagulation
L0004252molecular_functionserine-type endopeptidase activity
L0005576cellular_componentextracellular region
L0006508biological_processproteolysis
L0007596biological_processblood coagulation
Functional Information from PDB Data
site_idAC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE ACE I 0
ChainResidue
HGLY216
IDPN1

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE DPN I 1
ChainResidue
IPRO2
HGLU97
HTRP215
HGLY216
IACE0

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PTL I 4A
ChainResidue
HLEU41
HLYS60
HSER195
IPRO2
IFBE5

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE FBE I 5
ChainResidue
HGLU39
HLEU40
HLEU41
HGLY193
HHOH560

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE FBE I 6
ChainResidue
IFBE5
IHOH558

site_idAC6
Number of Residues13
DetailsBINDING SITE FOR CHAIN I OF HIRUTONIN-6
ChainResidue
HPHE34
HGLN38
HLEU40
HLEU65
HARG67
HARG73
HTHR74
HARG75
HARG75
HTYR76
HHOH484
IHOH558
IHOH565

site_idACT
Number of Residues3
DetailsACTIVE SITE
ChainResidue
HHIS57
HASP102
HSER195

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC
ChainResidueDetails
HLEU53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DAceGDSGGPFV
ChainResidueDetails
HASP189-VAL200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues254
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","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
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

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
HASP102
HHIS57

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
HSER195
HGLY196

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
HSER195
HGLY193

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
HASP102
HSER195
HGLY193
HHIS57

site_idCSA5
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
HASP102
HSER195
HHIS57

site_idCSA6
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
HASP102
HSER195
HHIS57
HGLY196

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PDB entries from 2025-12-17

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