ENTRY       M00555            Pathway   Module
NAME        Betaine biosynthesis, choline => betaine
DEFINITION  (K17755,((K00108,K11440,K00499) (K00130,K14085)))
ORTHOLOGY   K00108,K11440  choline dehydrogenase [EC:1.1.99.1] [RN:R01025 R08557 R08558]
            K00499  choline monooxygenase [EC:1.14.15.7] [RN:R07409]
            K17755  choline oxidase [EC:1.1.3.17] [R01022 R08211]
            K00130,K14085  betaine-aldehyde dehydrogenase [EC:1.2.1.8] [R02565 R02566]
CLASS       Pathway modules; Amino acid metabolism; Serine and threonine metabolism
PATHWAY     map00260  Glycine, serine and threonine metabolism
            map00670  One carbon pool by folate
            map01100  Metabolic pathways
REACTION    R01025,R08557,R08558,R07409,R01022  C00114 -> C00576
            R02565,R02566,R08211  C00576 -> C00719
COMPOUND    C00114  Choline
            C00576  Betaine aldehyde
            C00719  Betaine
REFERENCE   PMID:8752328
  AUTHORS   Boch J, Kempf B, Schmid R, Bremer E
  TITLE     Synthesis of the osmoprotectant glycine betaine in Bacillus subtilis: characterization of the gbsAB genes.
  JOURNAL   J Bacteriol 178:5121-9 (1996)
            DOI:10.1128/JB.178.17.5121-5129.1996
///
