KEGG   REACTION: R00654
Entry
R00654                      Reaction                               
Name
L-methionine methanethiol-lyase (deaminating;2-oxobutanoate-forming)
Definition
L-Methionine + H2O <=> Methanethiol + Ammonia + 2-Oxobutanoate
Equation
C00073 + C00001 <=> C00409 + C00014 + C00109
Comment
multi-step reaction (see R08635+R08637)
Reaction class
RC00196  C00073_C00409
RC00348  C00073_C00109
Enzyme
4.4.1.11
Pathway
rn00270  Cysteine and methionine metabolism
rn01100  Metabolic pathways
Brite
Enzymatic reactions [BR:br08201]
 4. Lyase reactions
  4.4  Carbon-sulfur lyases
   4.4.1  Carbon-sulfur lyases (only sub-subclass identified to date)
    4.4.1.11
     R00654  L-Methionine + H2O <=> Methanethiol + Ammonia + 2-Oxobutanoate
Orthology
K01761  methionine-gamma-lyase [EC:4.4.1.11]
Other DBs
RHEA: 23803
LinkDB

KEGG   REACTION: R08635
Entry
R08635                      Reaction                               
Name
L-methionine methanethiol-lyase
Definition
L-Methionine <=> Methanethiol + 2-Aminobut-2-enoate
Equation
C00073 <=> C00409 + C17234
Comment
a part of multi-step reaction (R00654, R08635+R08637)
subsequently R08637
Reaction class
RC00196  C00073_C00409
RC02309  C00073_C17234
Enzyme
4.4.1.11
Brite
Enzymatic reactions [BR:br08201]
 4. Lyase reactions
  4.4  Carbon-sulfur lyases
   4.4.1  Carbon-sulfur lyases (only sub-subclass identified to date)
    4.4.1.11
     R08635  L-Methionine <=> Methanethiol + 2-Aminobut-2-enoate
Other DBs
RHEA: 24749
LinkDB

KEGG   REACTION: R08637
Entry
R08637                      Reaction                               
Name
2-aminobut-2-enoate aminohydrolase (spontaneous)
Definition
2-Aminobut-2-enoate + H2O <=> 2-Oxobutanoate + Ammonia
Equation
C17234 + C00001 <=> C00109 + C00014
Comment
spontaneous
two-step reaction (see R11101+R11098)
Reaction class
RC02311  C00109_C17234
LinkDB

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