Structure of PDB 3ddb Chain A Binding Site BS02

Receptor Information
>3ddb Chain A (length=423) Species: 1491 (Clostridium botulinum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MPFVNKQFNYKDPVNGVDIAYIKIPNAGQMQPVKAFKIHNKIWVIPERDT
FTNPEEGDLNPPPEAKQVPVSYYDSTYLSTDNEKDNYLKGVTKLFERIYS
TDLGRMLLTSIVRGIPFWGGSTIDTELKVIDTNCINVIQPDGSYRSEELN
LVIIGPSADIIQFECKSFGHEVLNLTRNGYGSTQYIRFSPDFTFGFEESL
EVDTNPLLGAGKFATDPAVTLAHELIHAGHRLYGIAINPNRVFKVNTNAY
YEMSGLEVSFEELRTFGGHDAKFIDSLQENEFRLYYYNKFKDIASTLNKA
KSIVGTTASLQYMKNVFKEKYLLSEDTSGKFSVDKLKFDKLYKMLTEIYT
EDNFVKFFKVLNRKTYLNFDKAVFKINIVPKVNYTIYDGFNLRNTNLAAN
FNGQNTEINNMNFTKLKNFTGLF
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain3ddb Chain A Residue 450 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3ddb Substrate binding mode and its implication on drug design for botulinum neurotoxin A
Resolution1.6 Å
Binding residue
(original residue number in PDB)		H223 H227 E262 D370
Binding residue
(residue number reindexed from 1)		H223 H227 E262 D370
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) H223 E224 H227 E262 R363
Catalytic site (residue number reindexed from 1) H223 E224 H227 E262 R363
Enzyme Commision number 3.4.24.69: bontoxilysin.
Gene Ontology
Molecular Function
GO:0004222 metalloendopeptidase activity
GO:0008270 zinc ion binding
Biological Process
GO:0006508 proteolysis

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:3ddb, PDBe:3ddb, PDBj:3ddb
PDBsum3ddb
PubMed18818739
UniProtP0DPI1|BXA1_CLOBH Botulinum neurotoxin type A (Gene Name=botA)

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