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Crystal structure of the protease domain of Botulinum Neurotoxin Serotype A with a peptide inhibitor CRGC
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Text endopeptidase, syntaxin, bio-warfare agent, membrane, metal-binding, metalloprotease, protease, secreted, transmembrane, SNAP25, HYDROLASE-HYDROLASE INHIBITOR complex

    Polymeric Molecules

    Chain A
    Description Botulinum neurotoxin type A 
    Fragment light chain (UNP residues 1-424) 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 49416.3 
    Source Method genetically manipulated  
    Entity Name BoNT/A, Bontoxilysin-A, BOTOX 
    Chain B
    Description inhibitory peptide CRGC 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 436.5 
    Source Method synthetic  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    EDO  1,2-ETHANEDIOL  C2 H6 O2   62.07  View 
    NA  SODIUM ION  Na   22.99  View 
    SO4  SULFATE ION  O4 S   96.06  View 
    ZN  ZINC ION  Zn   65.41  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A BXA1_CLOBH A5HZZ9     

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    6508   Proteolysis  The Hydrolysis of Proteins Into Smaller Polypeptides And/or Amino Acids by Cleavage of Their Peptide Bonds. 
    9405   Pathogenesis  The Set of Specific Processes That Generate the Ability of an Organism to Cause Disease in Another. 
    4222   Metalloendopeptidase Activity  Catalysis of the Hydrolysis of Internal Alpha Peptide Bonds in a Polypeptide Chain by a Mechanism in Which Water Acts As a Nucleophile One or Two Metal Ions Hold the Water Molecule in Place and Charged Amino Acid Side Chains Are Ligands For the Metal Ions. 

  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Clostridium botulinum  
    Strain HALL / ATCC 3502 / NCTC 13319 / TYPE A
    Gene bota, cbo0806, clc_0862
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3)ril
    Host Vector Type Plasmid
    Host Plasmid Name pET28b

    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    - - 5398487     botulinum neurotoxin type A1 BONT/A1