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Crystal structure of GH36 alpha-galactosidase AgaA A355E D478A from Geobacillus stearothermophilus in complex with stachyose
Biology and Chemistry Report
4FNU
  •   Structure Details   Hide

    Structure Keywords

    Keywords HYDROLASE
    Text Glycoside Hydrolase, Hydrolase, carbohydrate

    Polymeric Molecules

    Chain A,B,C,D
    Description Alpha-galactosidase AgaA 
    Mutation A355E, D478A 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 83322.7 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    FRU  FRUCTOSE  C6 H12 O6   180.16  View 
    GLA  ALPHA D-GALACTOSE  C6 H12 O6   180.16  View 
    GLC  ALPHA-D-GLUCOSE  C6 H12 O6   180.16  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,C,D Q9ALJ4_GEOSE Q9ALJ4     

    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  3.2.1.22      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,C,D
    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. 
    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. 
    4553   Hydrolase Activity Hydrolyzing O Glycosyl Compounds  Catalysis of the Hydrolysis of Any O Glycosyl Bond. 
    4557   Alpha Galactosidase Activity  Catalysis of the Hydrolysis of Terminal Non Reducing Alpha D Galactose Residues in Alpha D Galactosides Including Galactose Oligosaccharides Galactomannans and Galactohydrolase. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B,C,D
    Scientific Name Geobacillus stearothermophilus  
    Gene agaa
    Host Scientific Name Escherichia coli