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Crystal structure of delta-aminolevulinic acid dehydratase (porphobilinogen synthase) from toxoplasma gondii ME49 in complex with the reaction product porphobilinogen
Biology and Chemistry Report
3OBK
  •   Structure Details   Hide

    Structure Keywords

    Keywords LYASE
    Text SSGCID, Structural Genomics, Seattle Structural Genomics Center for Infectious Disease, DEHYDRATASE, LYASE

    Polymeric Molecules

    Chain A,B,C,D,E,F,G,H
    Description Delta-aminolevulinic acid dehydratase 
    Fragment residues 303-658 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 39542.4 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    CL  CHLORIDE ION  Cl   35.45  View 
    EDO  1,2-ETHANEDIOL  C2 H6 O2   62.07  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
    PBG  3-[5-(AMINOMETHYL)-4-(CARBOXYMETHYL)-1H-PYRROL-3-YL]PROPANOIC ACID  C10 H14 N2 O4   226.23  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,C,D,E,F,G,H B6KNM2_TOXGO B6KNM2     

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A B C D E F G H  4.2.1.24      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,C,D,E,F,G,H
    GO ID   Ontology GO Term Definition
    33014   Tetrapyrrole Biosynthetic Process  The Chemical Reactions and Pathways Leading to the Formation of Tetrapyrroles Natural Pigments Containing Four Pyrrole Rings Joined by One Carbon Units Linking Position 2 of One Pyrrole Ring to Position 5 of the Next. 
    3824   Catalytic Activity  Catalysis of a Biochemical Reaction At Physiological Temperatures. in Biologically Catalyzed Reactions the Reactants Are Known As Substrates and the Catalysts Are Naturally Occurring Macromolecular Substances Known As Enzymes. Enzymes Possess Specific Binding Sites For Substrates and Are Usually Composed Wholly or Largely of Protein But RNA That Has Catalytic Activity (ribozyme) Is Often Also Regarded As Enzymatic. 
    4655   Porphobilinogen Synthase Activity  Catalysis of the Reaction: 2 5 Aminolevulinate = 2 H(2)o + H(+) + Porphobilinogen. 
    46872   Metal Ion Binding  Interacting Selectively and Non Covalently with Any Metal Ion. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B,C,D,E,F,G,H
    Scientific Name Toxoplasma gondii me49  
    Gene tgme49_053900
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3)
    Host Vector Type Plasmid
    Host Plasmid Name PET3A