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Crystal structure of a noncanonic maltogenic alpha-amylase AmyB from Thermotoga neapolitana
Biology and Chemistry Report
4GKL
  •   Structure Details   Hide

    Structure Keywords

    Keywords HYDROLASE
    Text (alpha/beta)8 barrel, maltogenic alpha-amylase, HYDROLASE

    Polymeric Molecules

    Chain A,B
    Description Alpha-amylase 
    Fragment alpha-amylase 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 50114.0 
    Source Method genetically manipulated  

     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B B5ARZ9_THENE B5ARZ9     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A B  3.2.1.1      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B
    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. 
    43169   Cation Binding  Interacting Selectively and Non Covalently with Cations Charged Atoms or Groups of Atoms with a Net Positive Charge. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B
    Scientific Name Thermotoga neapolitana  
    Gene amyb
    Host Scientific Name Escherichia coli