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4IS5

Crystal Structure of the ligand-free inactive Matriptase

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 301
ChainResidue
AHIS34
ALEU36
AGLY37
AGLN38
AGLY39
AARG76
AHOH586
AHOH593

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 A 302
ChainResidue
AGLN192
AGLY193
AALA195
AGOL303
AHOH431
AHOH501
AHIS57

site_idAC3
Number of Residues14
DetailsBINDING SITE FOR RESIDUE GOL A 303
ChainResidue
ASER190
ACYS191
AGLN192
AGLY193
AASP194
AALA195
AVAL213
ASER214
ATRP215
AGLY216
ASO4302
AHOH422
AHOH438
AHOH491

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 304
ChainResidue
AGLN81
AGLU82
AARG83
AGLU113
AHOH554

site_idAC5
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 A 305
ChainResidue
AVAL129
ALYS134
AALA135
AARG161
AHOH439
AHOH440
AHOH478
AHOH522
AHOH542

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL A 306
ChainResidue
AGLU26
ATRP137
ALYS157
AVAL202

site_idAC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 A 307
ChainResidue
AARG60
AARG60
ASER90
AHOH487
AHOH494
AHOH533
AHOH628

site_idAC8
Number of Residues11
DetailsBINDING SITE FOR RESIDUE GSH A 308
ChainResidue
ATRP29
ATYR114
AARG119
APRO120
ACYS122
AARG206
AILE207
AHOH443
AHOH540
AHOH579
AHOH588

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC
ChainResidueDetails
AVAL53-CYS58

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues239
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
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...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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