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2F91

1.2A resolution structure of a crayfish trypsin complexed with a peptide inhibitor, SGTI

Replaces:  1YR4
Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0005515molecular_functionprotein binding
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008236molecular_functionserine-type peptidase activity
A0016787molecular_functionhydrolase activity
A0046872molecular_functionmetal ion binding
B0030414molecular_functionpeptidase inhibitor activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CD A 401
ChainResidue
AGLU70
AASP72
AVAL75
AGLU77
AGLU80
AHOH592

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CD A 402
ChainResidue
ACL408
AASP135
AASP178
ACL407

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CD A 403
ChainResidue
AGLU60
AHOH433
AHOH627
AHOH633
AHOH705

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CD A 404
ChainResidue
AASP21
AASP60
AHOH595
AHOH597
AHOH687

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CD A 405
ChainResidue
AASP165
AASP178
AMET180
AGLU231
AHOH576
AHOH577

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CD A 406
ChainResidue
AGLU125
AHOH719

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CL A 407
ChainResidue
AASN93
AASP135
AARG169
AASP178
ACD402
AHOH602

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CL A 408
ChainResidue
AASP135
ATHR159
APRO161
AASP178
ALYS188
ACD402

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. ITAGHC
ChainResidueDetails
AILE53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPLA
ChainResidueDetails
AASP189-ALA200

site_idPS00141
Number of Residues12
DetailsASP_PROTEASE Eukaryotic and viral aspartyl proteases active site. AASDTGSTYLAG
ChainResidueDetails
AALA200-GLY211

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsSITE: Reactive bond
ChainResidueDetails
BARG29

217705

PDB entries from 2024-03-27

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