KEGG   REACTION: R00177
Entry
R00177                      Reaction                               
Name
ATP:L-methionine S-adenosyltransferase
Definition
Orthophosphate + Diphosphate + S-Adenosyl-L-methionine <=> ATP + L-Methionine + H2O
Equation
C00009 + C00013 + C00019 <=> C00002 + C00073 + C00001
Comment
possibly intermediate (triphosphate, see [CPD:C00536])
Reaction class
RC00021  C00019_C00073
Enzyme
2.5.1.6
Pathway
rn00270  Cysteine and methionine metabolism
rn00999  Biosynthesis of various plant secondary metabolites
rn01100  Metabolic pathways
rn01110  Biosynthesis of secondary metabolites
rn01230  Biosynthesis of amino acids
rn01240  Biosynthesis of cofactors
Module
M00034  Methionine salvage pathway
M00035  Methionine degradation
M00368  Ethylene biosynthesis, methionine => ethylene
M00609  Cysteine biosynthesis, methionine => cysteine
M00953  Mugineic acid biosynthesis, methionine => 3-epihydroxymugineic acid
Brite
Enzymatic reactions [BR:br08201]
 2. Transferase reactions
  2.5  Transferring alkyl or aryl groups, other than methyl groups
   2.5.1  Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
    2.5.1.6
     R00177  Orthophosphate + Diphosphate + S-Adenosyl-L-methionine <=> ATP + L-Methionine + H2O
Orthology
K00789  S-adenosylmethionine synthetase [EC:2.5.1.6]
Other DBs
RHEA: 21083
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