Structure of PDB 1aks Chain A Binding Site BS01

Receptor Information
>1aks Chain A (length=125) Species: 9823 (Sus scrofa) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IVGGYTCAANSIPYQVSLNSGSHFCGGSLINSQWVVSAAHCYKSRIQVRL
GEHNIDVLEGNEQFINAAKIITHPNFNGNTLDNDIMLIKLSSPATLNSRV
ATVSLPRSCAAAGTECLISGWGNTK
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1aks Chain A Residue 146 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1aks The first structure at 1.8 A resolution of an active autolysate form of porcine alpha-trysoin.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		E70 N72 V75 E77 E80
Binding residue
(residue number reindexed from 1)		E52 N54 V57 E59 E62
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) H57 D102
Catalytic site (residue number reindexed from 1) H40 D84
Enzyme Commision number 3.4.21.4: trypsin.
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:1aks, PDBe:1aks, PDBj:1aks
PDBsum1aks
PubMed15299934
UniProtP00761|TRYP_PIG Trypsin

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