Structure of PDB 1okx Chain B Binding Site BS02

Receptor Information
>1okx Chain B (length=240) Species: 9823 (Sus scrofa) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VVGGTEAQRNSWPSQISLQYRSGSSWAHTCGGTLIRQNWVMTAAHCVDRE
LTFRVVVGEHNLNQNNGTEQYVGVQKIVVHPYWNTDDVAAGYDIALLRLA
QSVTLNSYVQLGVLPRAGTILANNSPCYITGWGLTRTNGQLAQTLQQAYL
PTVDYAICSSSSYWGSTVKNSMVCAGGDGVRSGCQGDSGGPLHCLVNGQY
AVHGVTSFVSRLGCNVTRKPTVFTRVSAYISWINNVIASN
Ligand information
Receptor-Ligand Complex Structure
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PDB1okx Binding Structure of Elastase Inhibitor Scyptolin A
Resolution2.8 Å
Binding residue
(original residue number in PDB)		T44 C45 H60 V103 C199 Q200 G201 S203 S222 F223 V224 S225 R226
Binding residue
(residue number reindexed from 1)		T29 C30 H45 V88 C184 Q185 G186 S188 S207 F208 V209 S210 R211
Enzymatic activity
Catalytic site (original residue number in PDB) H60 D108 Q200 G201 D202 S203 G204
Catalytic site (residue number reindexed from 1) H45 D93 Q185 G186 D187 S188 G189
Enzyme Commision number 3.4.21.36: pancreatic elastase.
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
GO:0005515 protein binding
GO:0008236 serine-type peptidase activity
GO:0046872 metal ion binding
Biological Process
GO:0006508 proteolysis
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1okx, PDBe:1okx, PDBj:1okx
PDBsum1okx
PubMed14583266
UniProtP00772|CELA1_PIG Chymotrypsin-like elastase family member 1 (Gene Name=CELA1)

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