An Information Portal to 110790 Biological Macromolecular Structures

Crystal structure of putative 7-cyano-7-deazaguanine reductase QueF from Vibrio cholerae O1 biovar eltor
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Text alpha-beta structure, Structural Genomics, PSI-2, Protein Structure Initiative, Midwest Center for Structural Genomics, MCSG, OXIDOREDUCTASE

    Polymeric Molecules

    Chain A,B,C,D
    Description NADPH-dependent 7-cyano-7-deazaguanine reductase 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 33315.6 
    Source Method genetically manipulated  
    Entity Name 7-cyano-7-carbaguanine reductase, PreQ(0) reductase, NADPH-dependent nitrile oxidoreductase 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    GUN  GUANINE  C5 H5 N5 O   151.13  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
    PO4  PHOSPHATE ION  O4 P   94.97  View 
    POP  PYROPHOSPHATE 2-  H2 O7 P2   175.96  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,C,D QUEF_VIBCH Q9KTK0     

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A B C D      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,C,D
    GO ID   Ontology GO Term Definition
    8150   Biological_process  Any Process Specifically Pertinent to the Functioning of Integrated Living Units: Cells Tissues Organs and Organisms. a Process Is a Collection of Molecular Events with a Defined Beginning and End. 
    8616   Queuosine Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of Queuosines Any of a Series of Nucleosides Found in TRNA and Having an Additional Pentenyl Ring Added Via an Nh Group to the Methyl Group of 7 Methylguanosine. the Pentenyl Ring May Carry Other Substituents. 
    55114   Oxidation Reduction Process  A Metabolic Process That Results in the Removal or Addition of One or More Electrons to or From a Substance with or Without the Concomitant Removal or Addition of a Proton or Protons. 
    5575   Cellular_component  The Part of a Cell or Its Extracellular Environment in Which a Gene Product Is Located. a Gene Product May Be Located in One or More Parts of a Cell and Its Location May Be As Specific As a Particular Macromolecular Complex That Is a Stable Persistent Association of Macromolecules That Function Together. 
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    3674   Molecular_function  Elemental Activities Such As Catalysis or Binding Describing the Actions of a Gene Product At the Molecular Level. a Given Gene Product May Exhibit One or More Molecular Functions. 
    16491   Oxidoreductase Activity  Catalysis of an Oxidation Reduction (redox) Reaction a Reversible Chemical Reaction in Which the Oxidation State of an Atom or Atoms Within a Molecule Is Altered. One Substrate Acts As a Hydrogen or Electron Donor and Becomes Oxidized While the Other Acts As Hydrogen or Electron Acceptor and Becomes Reduced. 
    33739   Preq1 Synthase Activity  Catalysis of the Reaction: 7 Aminomethyl 7 Deazaguanine + 2 Nadp(+) = 7 Cyano 7 Deazaguanine + 3 H(+) + 2 Nadph. 
    46857   Oxidoreductase Activity Acting On Other Nitrogenous Compounds As Donors with NAD or Nadp As Acceptor  Catalysis of an Oxidation Reduction (redox) Reaction in Which a Nitrogenous Group Excluding Nh and Nh2 Groups Acts As a Hydrogen or Electron Donor and Reduces NAD or Nadp. 

  •   Gene Details   Hide

    Genetic Source

    Chain A,B,C,D
    Scientific Name Vibrio cholerae o1 biovar eltor str. n16961  
    Genus Vibrio
    Species Vibrio Cholerae
    Strain EL TOR INABA N16961 / SEROTYPE O1
    ATCC Source 39315
    Gene quef, vc_0902
    Host Scientific Name Escherichia coli bl21(de3)  
    Host Genus Escherichia
    Host Species Escherichia Coli
    Host Strain Bl21(de3)
    Host Vector Type Plasmid
    Host Plasmid Name pMCSG7