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Potassium Channel KcsA-Fab complex in high concentration of K+
Biology and Chemistry Report
1K4C
  •   Structure Details   Hide

    Structure Keywords

    Keywords MEMBRANE PROTEIN
    Text K channel, protein-antibody Fab complex, MEMBRANE PROTEIN

    Polymeric Molecules

    Chain A
    Description antibody Fab fragment heavy chain 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 23411.4 
    Source Method natural source  
    Chain B
    Description antibody Fab fragment light chain 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 23435.9 
    Source Method natural source  
    Chain C
    Description potassium channel KcsA 
    Fragment potassium channel KcsA 
    Mutation P2A, L90C 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 13211.7 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    DGA  DIACYL GLYCEROL  C39 H76 O5   625.02  View 
    F09  NONAN-1-OL  C9 H20 O   144.25  View 
    POTASSIUM ION  K   39.10  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    C KCSA_STRLI P0A334     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    Immune Epitopes (B-cell and T-Cell)

    Immune Epitope Database (IEDB)
    Epitope ID 142362    
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain C
    GO ID   Ontology GO Term Definition
    6813   Potassium Ion Transport  The Directed Movement of Potassium Ions (k+) Into Out of or Within a Cell or Between Cells by Means of Some Agent Such As a Transporter or Pore. 
    8076   Voltage Gated Potassium Channel Complex  A Protein Complex That Forms a Transmembrane Channel Through Which Potassium Ions May Cross a Cell Membrane in Response to Changes in Membrane Potential. 
    5249   Voltage Gated Potassium Channel Activity  Catalysis of the Transmembrane Transfer of a Potassium Ion by a Voltage Gated Channel. a Voltage Gated Channel Is a Channel Whose Open State Is Dependent On the Voltage Across the Membrane in Which It Is Embedded. 


     
  •   Gene Details   Hide

    Natural Source

    Chain B
    Common Name House Mouse
    Scientific Name Mus musculus  
    Genus Mus
    Chain A
    Common Name House Mouse
    Scientific Name Mus musculus  
    Genus Mus

    Genetic Source

    Chain C
    Scientific Name Streptomyces lividans  
    Genus Streptomyces
    Host Scientific Name Escherichia coli  
    Host Genus Escherichia