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Solution structure of a mutant of the triheme cytochrome PpcA from Geobacter sulfurreducens sheds light on the role of the conserved aromatic residue F15
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Text Geobacter, Triheme cytochrome, Site-directed mutagenesis, Electron transport

    Polymeric Molecules

    Chain A
    Description Cytochrome c, 3 heme-binding sites 
    Mutation F15L 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 7714.2 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    HEM  PROTOPORPHYRIN IX CONTAINING FE  C34 H32 Fe N4 O4   616.49  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A D7AFU0_GEOSK D7AFU0     

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    9055   Electron Carrier Activity  Any Molecular Entity That Serves As an Electron Acceptor and Electron Donor in an Electron Transport Chain. an Electron Transport Chain Is a Process in Which a Series of Electron Carriers Operate Together to Transfer Electrons From Donors to Any of Several Different Terminal Electron Acceptors to Generate a Transmembrane Electrochemical Gradient. 
    20037   Heme Binding  Interacting Selectively and Non Covalently with Heme Any Compound of Iron Complexed in a Porphyrin (tetrapyrrole) Ring. 

  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Geobacter sulfurreducens  
    Strain DL-1 / KN400
    Gene gsu0612, kn400_0591, ppca
    Host Scientific Name Escherichia coli  
    Host Vector Type Plasmid
    Host Plasmid Name pCK32