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2ZHW

Exploring thrombin S3 pocket

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 Residues3
DetailsBINDING SITE FOR RESIDUE NA H 601
ChainResidue
HLYS169
HTHR172
HPHE204

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NA H 602
ChainResidue
HASP221
HARG221
HLYS224
HHOH1045
HHOH1085

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE 12U H 501
ChainResidue
HTYR60
HTRP60
HASP189
HALA190
HSER195
HSER214
HTRP215
HGLY216
HGLY219
HGLY226
HHOH1012
HHIS57

site_idAC4
Number of Residues13
DetailsBINDING SITE FOR CHAIN I OF HIRUDIN VARIANT-2
ChainResidue
HPHE34
HLEU65
HARG67
HARG73
HTHR74
HARG75
HTYR76
HGLU80
HLYS81
HILE82
HMET84
HHOH1022
IHOH1066

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

site_idSWS_FT_FI2
Number of Residues3
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI3
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 Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
HASP102
HSER195
HGLY193
HHIS57

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
HASP102
HHIS57

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

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
HSER195
HGLY196

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

238895

PDB entries from 2025-07-16

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