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1PPZ

Trypsin complexes at atomic and ultra-high resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0005576cellular_componentextracellular region
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008236molecular_functionserine-type peptidase activity
A0016787molecular_functionhydrolase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 301
ChainResidue
AGLY112
AGLY113
AHOH458
AHOH481

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC
ChainResidueDetails
ALEU52-CYS57

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPIV
ChainResidueDetails
AASP189-VAL200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsACT_SITE: Charge relay system
ChainResidueDetails
AHIS56
AASP99
AMIS195

site_idSWS_FT_FI2
Number of Residues1
DetailsSITE: Required for specificity
ChainResidueDetails
AASP189

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 173
ChainResidueDetails
AHIS56hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AASP99activator, electrostatic stabiliser, hydrogen bond acceptor
AGLN192electrostatic stabiliser, hydrogen bond donor, transition state stabiliser
AGLY193electrostatic stabiliser, hydrogen bond donor, transition state stabiliser
AASP194electrostatic stabiliser, hydrogen bond donor, transition state stabiliser
AMIS195electrostatic stabiliser, transition state stabiliser

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PDB entries from 2024-03-27

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