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5XWL

Crystal Structure of Porcine pancreatic trypsin with tripeptide inhibitor, TRE, at pH 10

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0006508biological_processproteolysis
A0007586biological_processdigestion
A0008236molecular_functionserine-type peptidase activity
A0046872molecular_functionmetal ion binding
B0004252molecular_functionserine-type endopeptidase activity
B0005576cellular_componentextracellular region
B0005615cellular_componentextracellular space
B0006508biological_processproteolysis
B0007586biological_processdigestion
B0008236molecular_functionserine-type peptidase activity
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues8
Detailsbinding site for residue MPD A 302
ChainResidue
AGLU123
ALEU125
AVAL190
ACYS191
AASN192
AGLY193
BSER158
BPRO161

site_idAC2
Number of Residues7
Detailsbinding site for Di-peptide ACE D 401 and THR D 402
ChainResidue
BLEU89
BGLN182
BSER200
BTRP201
BGLY202
DARG403
BHIS48

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC
ChainResidueDetails
AVAL44-CYS49

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPVV
ChainResidueDetails
AASP179-VAL190

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsACT_SITE: Charge relay system
ChainResidueDetails
AHIS48
AASP92
ASER185
BHIS48
BASP92
BSER185

site_idSWS_FT_FI2
Number of Residues8
DetailsBINDING:
ChainResidueDetails
BGLU60
BASN62
BVAL65
BGLU70
AVAL65
AGLU70
AGLU60
AASN62

site_idSWS_FT_FI3
Number of Residues2
DetailsSITE: Required for specificity => ECO:0000250
ChainResidueDetails
AASP179
BASP179

220472

PDB entries from 2024-05-29

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