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4C3V

Extensive counter-ion interactions with subtilisin in aqueous medium, no Cs soak

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
A0008236molecular_functionserine-type peptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 1276
ChainResidue
APRO5
ATYR6
AALA52
AGLY53
ATYR256
AGLY258
ASER259
AHOH2096

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 1277
ChainResidue
AASN62
ATRP113
AASN117
ATYR209
AGLY61

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 1278
ChainResidue
ATHR116
AARG145

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 1279
ChainResidue
AALA37
ASER38
AHIS39
ALEU42
AHOH2025
AHOH2029

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NA A 1280
ChainResidue
AALA169
ATYR171
AVAL174
AHOH2079
AHOH2081

site_idAC6
Number of Residues1
DetailsBINDING SITE FOR RESIDUE NA A 1281
ChainResidue
AHOH2105

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 1282
ChainResidue
AGLN2
AASP41
ALEU75
AASN77
ATHR79
AVAL81

Functional Information from PROSITE/UniProt
site_idPS00136
Number of Residues12
DetailsSUBTILASE_ASP Serine proteases, subtilase family, aspartic acid active site. VAVLDTGIqasH
ChainResidueDetails
AVAL28-HIS39

site_idPS00137
Number of Residues11
DetailsSUBTILASE_HIS Serine proteases, subtilase family, histidine active site. HGThVAGtVAA
ChainResidueDetails
AHIS64-ALA74

site_idPS00138
Number of Residues11
DetailsSUBTILASE_SER Serine proteases, subtilase family, serine active site. GTSmAsPhVAG
ChainResidueDetails
AGLY219-GLY229

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues268
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"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"8512925","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

245663

PDB entries from 2025-12-03

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