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3NPS

Crystal structure of membrane-type serine protease 1 (MT-SP1) in complex with the Fab Inhibitor S4

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 1
ChainResidue
APHE130
AALA132
AILE163
AGLN165
AARG230

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO A 2
ChainResidue
AGLU26
ATRP27
AHOH649

site_idAC3
Number of Residues10
DetailsBINDING SITE FOR RESIDUE EDO A 3
ChainResidue
AGLU24
AGLY25
AGLU26
ATRP27
APRO28
ALEU70
AHIS71
ALEU155
AHOH384
AASP23

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 4
ChainResidue
AHIS143
AHOH382
CGLN53
CHOH360
CHOH479

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 6
ChainResidue
AHIS91
APHE93
APHE234
ATRP237
AHOH468

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 7
ChainResidue
AHIS57
ACYS58
AILE60
ATYR60
BARG100

site_idAC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE NA A 245
ChainResidue
AILE88
ASER90

site_idAC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE NA A 246
ChainResidue
ATRP141
AGLY193

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO B 215
ChainResidue
BGLY100
BTYR100
BTYR100
BHOH294
CTYR96

site_idBC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO B 216
ChainResidue
BLYS19
BSER21
BTYR79

site_idBC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO B 217
ChainResidue
BHOH318
CTHR5
CGLN6
CPRO7
CHOH395

site_idBC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO C 10
ChainResidue
BTHR191
CPRO141
CGLN199
CHOH263
CHOH264
CHOH537

site_idBC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NA C 213
ChainResidue
CVAL146
CGLU161
CSER177
CHOH524

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

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPLS
ChainResidueDetails
AASP189-SER200

site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YACEVTH
ChainResidueDetails
CTYR192-HIS198
BTYR194-HIS200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsACT_SITE: Charge relay system
ChainResidueDetails
AHIS57
AASP102
ASER195

site_idSWS_FT_FI2
Number of Residues1
DetailsCARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255
ChainResidueDetails
AASN164

237735

PDB entries from 2025-06-18

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