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1Y4A

Crystal structure of the complex of subtilisin BPN' with chymotrypsin inhibitor 2 M59R/E60S mutant

Functional Information from GO Data
ChainGOidnamespacecontents
E0004252molecular_functionserine-type endopeptidase activity
E0006508biological_processproteolysis
E0008236molecular_functionserine-type peptidase activity
I0004867molecular_functionserine-type endopeptidase inhibitor activity
I0009611biological_processresponse to wounding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA E 1001
ChainResidue
EGLN2
EASP41
ELEU75
EASN77
EILE79
EVAL81

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NA E 1002
ChainResidue
ESER161
E15P5001
EHOH5009

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE CIT E 2001
ChainResidue
ELEU209
ETYR214
ETYR217
ESER260
EHOH5075
EHOH5091
EHOH5140
EHOH5141
EHOH5183
EHOH5258
EHOH5286
EHOH5310

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE 15P E 5001
ChainResidue
EGLY160
ESER161
EPHE261
ETYR262
ENA1002

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE 15P E 5002
ChainResidue
EVAL143
EALA144
EGLY146
EASN243
EHOH5251

Functional Information from PROSITE/UniProt
site_idPS00136
Number of Residues12
DetailsSUBTILASE_ASP Serine proteases, subtilase family, aspartic acid active site. VAVIDSGIdssH
ChainResidueDetails
EVAL28-HIS39

site_idPS00137
Number of Residues11
DetailsSUBTILASE_HIS Serine proteases, subtilase family, histidine active site. HGThVAGtVAA
ChainResidueDetails
EHIS64-ALA74

site_idPS00138
Number of Residues11
DetailsSUBTILASE_SER Serine proteases, subtilase family, serine active site. GTSmAsPhVAG
ChainResidueDetails
EGLY219-GLY229

site_idPS00285
Number of Residues12
DetailsPOTATO_INHIBITOR Potato inhibitor I family signature. WPELVGksVeeA
ChainResidueDetails
ITRP24-ALA35

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues269
DetailsDomain: {"description":"Peptidase S8","evidences":[{"source":"PROSITE-ProRule","id":"PRU01240","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PROSITE-ProRule","id":"PRU01240","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"5249818","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1sca
ChainResidueDetails
ESER221
EHIS64
EASP32

site_idMCSA1
Number of Residues4
DetailsM-CSA 723
ChainResidueDetails

246704

PDB entries from 2025-12-24

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