Crystal structure of Drosophila melanogaster tryptophan 2,3-dioxygenase in complex with HEME
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Text kynurenine pathway, catalytic mechanism, regulatory mechanism, OXIDOREDUCTASE

    Polymeric Molecules

    Chain A
    Description Tryptophan 2,3-dioxygenase 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 43362.2 
    Source Method genetically manipulated  
    Entity Name TDO, Protein vermilion, Tryptamin 2,3-dioxygenase, Tryptophan oxygenase, TO, TRPO, Tryptophan pyrrolase, Tryptophanase 

    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 T23O_DROME P20351     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    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
    6569   Tryptophan Catabolic Process  The Chemical Reactions and Pathways Resulting in the Breakdown of Tryptophan the Chiral Amino Acid 2 Amino 3 (1h Indol 3 Yl)propanoic Acid. 
    19441   Tryptophan Catabolic Process to Kynurenine  The Chemical Reactions and Pathways Resulting in the Breakdown of Tryptophan Into Other Compounds Including Kynurenine. 
    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. 
    4833   Tryptophan 2 3 Dioxygenase Activity  Catalysis of the Reaction: L Tryptophan + O2 = N Formyl L Kynurenine. 
    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. 
    20037   Heme Binding  Interacting Selectively and Non Covalently with Heme Any Compound of Iron Complexed in a Porphyrin (tetrapyrrole) Ring. 
    46872   Metal Ion Binding  Interacting Selectively and Non Covalently with Any Metal Ion. 
    51213   Dioxygenase Activity  Catalysis of an Oxidation Reduction (redox) Reaction in Which Both Atoms of Oxygen From One Molecule of O2 Are Incorporated Into the (reduced) Product(s) of the Reaction. the Two Atoms of Oxygen May Be Distributed Between Two Different Products. 

  •   Gene Details   Hide

    Genetic Source

    Chain A
    Common Name Fruit Fly
    Scientific Name Drosophila melanogaster  
    Gene v, cg5163
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3) Codon Plus
    Host Vector Type Plasmid
    Host Plasmid Name pET28a

    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    X 9F11-9F11|1-33.0 cM 32026     vermilion V