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Crystal structure of the CusBA heavy-metal efflux complex from Escherichia coli, E716F mutant
Biology and Chemistry Report
4DNR
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSPORT PROTEIN
    Text beta barrel, TRANSPORT PROTEIN

    Polymeric Molecules

    Chain B,C
    Description Cation efflux system protein CusB 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 45180.1 
    Source Method genetically manipulated  
    Chain A
    Description Cation efflux system protein CusA 
    Mutation E716F 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 115796.0 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    CU  COPPER (II) ION  Cu   63.55  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A CUSA_ECOLI P38054     
    B,C CUSB_ECOLI P77239     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    6810   Transport  The Directed Movement of Substances (such As Macromolecules Small Molecules Ions) Into Out of or Within a Cell or Between Cells or Within a Multicellular Organism by Means of Some Agent Such As a Transporter or Pore. 
    6811   Ion Transport  The Directed Movement of Charged Atoms or Small Charged Molecules Into Out of or Within a Cell or Between Cells by Means of Some Agent Such As a Transporter or Pore. 
    6825   Copper Ion Transport  The Directed Movement of Copper (cu) Ions Into Out of or Within a Cell or Between Cells by Means of Some Agent Such As a Transporter or Pore. 
    6878   Cellular Copper Ion Homeostasis  Any Process Involved in the Maintenance of an Internal Steady State of Copper Ions At the Level of a Cell. 
    10273   Detoxification of Copper Ion  Any Process That Reduces or Removes the Toxicity of Copper Ion. These Include Transport of Copper Away From Sensitive Areas and to Compartments or Complexes Whose Purpose Is Sequestration of Copper Ion. 
    15679   Plasma Membrane Copper Ion Transport  The Directed Movement of Copper Ions Across the Plasma Membrane. 
    60003   Copper Ion Export  The Directed Movement of Copper Ions Out of a Cell or Organelle. 
    5886   Plasma Membrane  The Membrane Surrounding a Cell That Separates the Cell From Its External Environment. It Consists of a Phospholipid Bilayer and Associated Proteins. 
    16020   Membrane  Double Layer of Lipid Molecules That Encloses All Cells and in Eukaryotes Many Organelles; May Be a Single or Double Lipid Bilayer; Also Includes Associated Proteins. 
    16021   Integral Component of Membrane  The Component of a Membrane Consisting of Gene Products and Protein Complexes That Have Some Part That Penetrates At Least One Leaflet of the Membrane Bilayer. This Component Includes Gene Products That Are Buried in the Bilayer with No Exposure Outside the Bilayer. 
    5375   Copper Ion Transmembrane Transporter Activity  Catalysis of the Transfer of Copper (cu) Ions From One Side of a Membrane to the Other. 
    5507   Copper Ion Binding  Interacting Selectively and Non Covalently with Copper (cu) Ions. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Escherichia coli  
    Strain K12
    Gene cusa, ybde, b0575, jw0564
    Host Scientific Name Escherichia coli  


    Chain B,C
    Scientific Name Escherichia coli  
    Strain K12
    Gene cusb, ylcd, b0574, jw0563
    Host Scientific Name Escherichia coli  
    Host Strain Bl21
    Host Vector Type Plasmid
    Host Plasmid Name pET15b