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SULFITE REDUCTASE STRUCTURE AT 1.6 ANGSTROM RESOLUTION
Biology and Chemistry Report
1AOP
  •   Structure Details   Hide

    Structure Keywords

    Keywords OXIDOREDUCTASE
    Text OXIDOREDUCTASE, SIROHEME, [4FE-4S], SNIRR, SIX-ELECTRON REDUCTION, PHOSPHATE COMPLEX

    Polymeric Molecules

    Chain A
    Description SULFITE REDUCTASE HEMOPROTEIN 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 55748.3 
    Source Method genetically manipulated  
    Entity Name SIRHP 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    POTASSIUM ION  K   39.10  View 
    PO4  PHOSPHATE ION  O4 P   94.97  View 
    SF4  IRON/SULFUR CLUSTER  Fe4 S4   351.64  View 
    SRM  SIROHEME  C42 H42 Fe N4 O16   914.65  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A CYSI_ECOLI P17846     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc Catalytic Site(s)
    1.8.1.2        
    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. 
    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. 
    51536   Iron Sulfur Cluster Binding  Interacting Selectively and Non Covalently with an Iron Sulfur Cluster a Combination of Iron and Sulfur Atoms. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Escherichia coli  
    Genus Escherichia
    Species Escherichia Coli
    Strain B
    Gene cysij
    Host Scientific Name Escherichia coli  
    Host Genus Escherichia
    Host Plasmid Name PJYW613
    Description Pbr322 Derivative Containing Escherichia Coli Cysij and S. Typhimurium Cysg Under Control of Cysjih Promoter Expressed in a S. Typhimurium Cysi Auxotroph