Structure of PDB 3e3t Chain A Binding Site BS04

Receptor Information
>3e3t Chain A (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
Ligand IDI3C
InChIInChI=1S/C8H4I3NO4/c9-3-1(7(13)14)4(10)6(12)5(11)2(3)8(15)16/h12H2,(H,13,14)(H,15,16)
InChIKeyJEZJSNULLBSYHV-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1(c(c(c(c(c1I)N)I)C(=O)O)I)C(=O)O
CACTVS 3.341Nc1c(I)c(C(O)=O)c(I)c(C(O)=O)c1I
ACDLabs 10.04Ic1c(C(=O)O)c(I)c(c(I)c1N)C(=O)O
FormulaC8 H4 I3 N O4
Name5-amino-2,4,6-triiodobenzene-1,3-dicarboxylic acid;
5-Amino-2,4,6-triiodoisophthalic acid
ChEMBL
DrugBank
ZINCZINC000004806327
PDB chain3e3t Chain A Residue 248 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3e3t A magic triangle for experimental phasing of macromolecules
Resolution1.6 Å
Binding residue
(original residue number in PDB)
A117 I230 N234
Binding residue
(residue number reindexed from 1)
A117 I230 N234
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H45 D93 Q185 G186 D187 S188 G189
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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Cellular Component
External links
PDB RCSB:3e3t, PDBe:3e3t, PDBj:3e3t
PDBsum3e3t
PubMed19020357
UniProtP00772|CELA1_PIG Chymotrypsin-like elastase family member 1 (Gene Name=CELA1)

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