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Structural Insights into Omega-Class Glutathione Transferases: A Snapshot of Enzyme Reduction and Identification of the Non-Catalytic Ligandin Site.
Biology and Chemistry Report
4IS0
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSFERASE, OXIDOREDUCTASE
    Text GST fold, oxidoreductase, ligand-binding, Cytosol, TRANSFERASE

    Polymeric Molecules

    Chain A
    Description Glutathione S-transferase omega-1 
    Mutation C32A 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 27568.0 
    Source Method genetically manipulated  
    Entity Name GSTO-1, Glutathione S-transferase omega 1-1, GSTO 1-1, Glutathione-dependent dehydroascorbate reductase, Monomethylarsonic acid reductase, MMA(V) reductase, S-(Phenacyl)glutathione reductase, SPG-R 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    1R4  L-gamma-glutamyl-S-[2-(4-nitrophenyl)-2-oxoethyl]-L-cysteinylglycine  C18 H22 N4 O9 S   470.45  View 
    DTT  2,3-DIHYDROXY-1,4-DITHIOBUTANE  C4 H10 O2 S2   154.25  View 
    GDS  OXIDIZED GLUTATHIONE DISULFIDE  C20 H32 N6 O12 S2   612.63  View 
    SO4  SULFATE ION  O4 S   96.06  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A GSTO1_HUMAN D3DRA3     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    1.20.4.2      
    1.8.5.1      
    2.5.1.18      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    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. 
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    5829   Cytosol  The Part of the Cytoplasm That Does Not Contain Organelles But Which Does Contain Other Particulate Matter Such As Protein Complexes. 
    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. 
    16740   Transferase Activity  Catalysis of the Transfer of a Group E.g. a Methyl Group Glycosyl Group Acyl Group Phosphorus Containing or Other Groups From One Compound (generally Regarded As the Donor) to Another Compound (generally Regarded As the Acceptor). Transferase Is the Systematic Name For Any Enzyme of EC Class 2. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Common Name Human
    Scientific Name Homo sapiens  
    Gene gsto1, gsttlp28
    Host Scientific Name Escherichia coli  
    Host Strain Bl21 (de3)
    Host Vector Type Plasmid
    Host Plasmid Name pHUE


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    10 10q25.1 9446     glutathione S-transferase omega 1 GSTO1