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1BIT

THE CRYSTAL STRUCTURE OF ANIONIC SALMON TRYPSIN IN A SECOND CRYSTAL FORM

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 248
ChainResidue
AGLU70
AASN72
AVAL75
AGLU77
AGLU80
AHOH331

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 249
ChainResidue
ASER195
ABEN246
AHOH336
AHIS57
AGLN192
AGLY193

site_idAC3
Number of Residues10
DetailsBINDING SITE FOR RESIDUE BEN A 246
ChainResidue
AASP189
ASER190
ACYS191
ASER195
AVAL213
ATRP215
AGLY216
AGLY219
AGLY226
ASO4249

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE BEN A 247
ChainResidue
ATHR76
APHE82
ASER171
APRO173
AMET175
AGLY223
AASN224
AHOH358

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. DScqGDSGGPVV
ChainResidueDetails
AASP189-VAL200

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 Residues4
DetailsBINDING:
ChainResidueDetails
AGLU70
AASN72
AVAL75
AGLU80

site_idSWS_FT_FI3
Number of Residues1
DetailsSITE: Required for specificity => ECO:0000250
ChainResidueDetails
AASP189

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
ASER195
AGLY196

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
ASER195
AGLY193

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
ASER195
AHIS57

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
ASER195
AGLY193
AHIS57

site_idCSA5
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
AHIS57

site_idCSA6
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP102
ASER195
AHIS57
AGLY196

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PDB entries from 2024-10-09

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