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Structure of ATP:co(I)rrinoid adenosyltransferase (CobA) from Salmonella enterica in complex with four and five-coordinate cob(II)alamin and ATP
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSFERASE
    Text transferase

    Polymeric Molecules

    Chain A,B
    Description Cob(I)yrinic acid a,c-diamide adenosyltransferase 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 21134.2 
    Source Method genetically manipulated  
    Entity Name Cob(I)alamin adenosyltransferase, Corrinoid adenosyltransferase 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    ATP  ADENOSINE-5'-TRIPHOSPHATE  C10 H16 N5 O13 P3   507.18  View 
    B12  COBALAMIN  C62 H89 Co N13 O14 P   1330.36  View 
    EDO  1,2-ETHANEDIOL  C2 H6 O2   62.07  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B BTUR_SALTY P31570     

    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: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B
    GO ID   Ontology GO Term Definition
    6779   Porphyrin Containing Compound Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of Any Member of a Large Group of Derivatives or Analogs of Porphyrin. Porphyrin Consists of a Ring of Four Pyrrole Nuclei Linked Each to the Next At Their Alpha Positions Through a Methine Group. 
    9236   Cobalamin Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of Cobalamin (vitamin B12) a Water Soluble Vitamin Characterized by Possession of a Corrin Nucleus Containing a Cobalt Atom. 
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    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. 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 
    8817   Cob(i)yrinic Acid a C Diamide Adenosyltransferase Activity  Catalysis of the Reaction: ATP + Cob(i)alamin + H2o = Phosphate + Diphosphate + Adenosylcobalamin. 
    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 Salmonella enterica subsp. enterica serovar typhimurium  
    Strain LT2
    Gene btur, coba, stm1718
    Host Scientific Name Salmonella enterica subsp. enterica serovar typhimurium  
    Host Strain Je2884
    Host Vector Type Plasmid
    Host Plasmid Name pCOBA15

    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    - - 1253237     cob(I)yrinic acid a,c-diamide adenosyltransferase COBA