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Crystal structure of a mutant, G219A, of Glucose Isomerase from Streptomyces sp. SK
Biology and Chemistry Report
4HHM
  •   Structure Details   Hide

    Structure Keywords

    Keywords isomerase
    Text TIM-barrel, isomerase

    Polymeric Molecules

    Chain A,B,C,D,E,F,G,H
    Description Xylose isomerase 
    Mutation G219A 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 43012.7 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    CO  COBALT (II) ION  Co   58.93  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,C,D,E,F,G,H Q9ZAI3_9ACTO Q9ZAI3     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A B C D E F G H  5.3.1.5      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,C,D,E,F,G,H
    GO ID   Ontology GO Term Definition
    5975   Carbohydrate Metabolic Process  The Chemical Reactions and Pathways Involving Carbohydrates Any of a Group of Organic Compounds Based of the General Formula Cx(h2o)y. Includes the Formation of Carbohydrate Derivatives by the Addition of a Carbohydrate Residue to Another Molecule. 
    6098   Pentose Phosphate Shunt  The Process in Which Glucose Is Oxidized Coupled to Nadph Synthesis. Glucose 6 P Is Oxidized with the Formation of Carbon Dioxide (co2) Ribulose 5 Phosphate and Reduced Nadp; Ribulose 5 P Then Enters a Series of Reactions Interconverting Sugar Phosphates. the Pentose Phosphate Pathway Is a Major Source of Reducing Equivalents For Biosynthesis Reactions and Is Also Important For the Conversion of Hexoses to Pentoses. 
    42732   D Xylose Metabolic Process  The Chemical Reactions and Pathways Involving D Xylose a Naturally Occurring Plant Polysaccharide. 
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    287   Magnesium Ion Binding  Interacting Selectively and Non Covalently with Magnesium (mg) Ions. 
    9045   Xylose Isomerase Activity  Catalysis of the Reaction: D Xylose = D Xylulose. 
    16853   Isomerase Activity  Catalysis of the Geometric or Structural Changes Within One Molecule. Isomerase Is the Systematic Name For Any Enzyme of EC Class 5. 
    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 Streptomyces sp. sk  
    Gene xyla
    Host Scientific Name Escherichia coli  
    Host Vector Type Plasmid
    Host Plasmid Name pET-21a