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Mutagenesis of zinc ligand residue Cys221 reveals plasticity in the IMP-1 metallo-b-lactamase active site
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Keywords HYDROLASE
    Text metallo-b-lactamase, b-lactamase, HYDROLASE

    Polymeric Molecules

    Chain A
    Description Beta-lactamase 
    Mutation C176G 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 26143.0 
    Source Method genetically manipulated  
    Entity Name Beta-lactamase IMP-1, Bla-imp protein, Extended-spectrum B-lactamase, IMP-1 metallo-beta-lactmase, Metallo beta lactamase, Metallo-beta-lactamase, Metallo-beta-lactamase IMP-1, Metallo-beta-lactamase blaIMP-1 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    FLC  CITRATE ANION  C6 H5 O7   189.10  View 
    ZN  ZINC ION  Zn   65.41  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A Q79MP6_PSEAI Q79MP6     

    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
    46677   Response to Antibiotic  Any Process That Results in a Change in State or Activity of a Cell or an Organism (in Terms of Movement Secretion Enzyme Production Gene Expression Etc.) As a Result of an Antibiotic Stimulus. an Antibiotic Is a Chemical Substance Produced by a Microorganism Which Has the Capacity to Inhibit the Growth of or to Kill Other Microorganisms. 
    8800   Beta Lactamase Activity  Catalysis of the Reaction: a Beta Lactam + H2o = a Substituted Beta Amino Acid. 
    16787   Hydrolase Activity  Catalysis of the Hydrolysis of Various Bonds E.g. C O C N C C Phosphoric Anhydride Bonds Etc. Hydrolase Is the Systematic Name For Any Enzyme of EC Class 3. 
    46872   Metal Ion Binding  Interacting Selectively and Non Covalently with Any Metal Ion. 

  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Pseudomonas aeruginosa  
    Gene blaimp-1, bla imp, bla-imp, blaesp, imp
    Host Scientific Name Escherichia coli