Structure of PDB 2ilp Chain A Binding Site BS01

Receptor Information

>2ilp Chain A (length=407) Species: 1491 (Clostridium botulinum)

SSGLVPRGSHMQFVNKQFNYKDPVNGVDIAYIKIPQMQPVKAFKIHNKIW
VIPERDTFTNPEEGDLNPPVPVSYYDSTYLSTDNEKDNYLKGVTKLFERI
YSTDLGRMLLTSIVRGIPFWGGSTIDTELKVIDTNCINVIQPDGSYRSEE
LNLVIIGPSADIIQFECKSFGHEVLNLTRNGYGSTQYIRFSPDFTFGFEE
SLEVNPLLGAGKFATDPAVTLAHELIHAGHRLYGIAINPNRVFKEVSFEE
LRTFGGHDAKFIDSLQENEFRLYYYNKFKDIASTLNKAKSIVGTTASLQY
MKNVFKEKYLLSEDTSGKFSVDKLKFDKLYKMLTEIYTEDNFVKFFKVLN
RKTYLNFDKAVFKINIVPKVNYTIYDGFNLRNTNLAANFNGQNTEINNMN
FTKLKNF

Ligand information

• Ligand ID: ZN
• InChI: InChI=1S/Zn/q+2
• InChIKey: PTFCDOFLOPIGGS-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Zn++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Zn+2]
• Formula: Zn
• Name: ZINC ION
• ChEMBL: CHEMBL1236970
• DrugBank: DB14532
• PDB chain: 2ilp Chain A Residue 500

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2ilp Structures of Clostridium botulinum Neurotoxin Serotype A Light Chain Complexed with Small-Molecule Inhibitors Highlight Active-Site Flexibility.
• Resolution: 1.9 Å
• Binding residue (original residue number in PDB): H223 H227 E262
• Binding residue (residue number reindexed from 1): H223 H227 E250
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): H223 E224 H227 E262 R363
• Catalytic site (residue number reindexed from 1): H223 E224 H227 E250 R351
• 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

External links

• PDB: RCSB:2ilp, PDBe:2ilp, PDBj:2ilp
• PDBsum: 2ilp
• PubMed: 17524984
• UniProt: P0DPI1|BXA1_CLOBH Botulinum neurotoxin type A (Gene Name=botA)