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Crystal structure of S-Adenosylmethionine synthetase from Sulfolobus solfataricus
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSFERASE
    Text Structural Genomics, PSI-Biology, Protein Structure Initiative, Enzyme Discovery for Natural Product Biosynthesis, NatPro, TRANSFERASE

    Polymeric Molecules

    Chain A,B
    Description S-adenosylmethionine synthase 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 45331.2 
    Source Method genetically manipulated  
    Entity Name AdoMet synthase, Methionine adenosyltransferase 

  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B METK_SULSO Q980S9     

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A B      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B
    GO ID   Ontology GO Term Definition
    6556   S Adenosylmethionine Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of S Adenosylmethionine S (5' Adenosyl) L Methionine an Important Intermediate in One Carbon Metabolism. 
    6730   One Carbon Metabolic Process  The Chemical Reactions and Pathways Involving the Transfer of One Carbon Units in Various Oxidation States. 
    166   Nucleotide Binding  Interacting Selectively and Non Covalently with a Nucleotide Any Compound Consisting of a Nucleoside That Is Esterified with (ortho)phosphate or an Oligophosphate At Any Hydroxyl Group On the Ribose or Deoxyribose. 
    287   Magnesium Ion Binding  Interacting Selectively and Non Covalently with Magnesium (mg) Ions. 
    4478   Methionine Adenosyltransferase Activity  Catalysis of the Reaction: ATP + L Methionine + H2o = Phosphate + Diphosphate + S Adenosyl L Methionine. 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 
    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,B
    Scientific Name Sulfolobus solfataricus  
    Strain ATCC 35092 / DSM 1617 / JCM 11322 / P2
    Gene mat, sso0199, ssol_1180
    Host Scientific Name Escherichia coli