Methionine -> AdoMet
Methionine -> AdoMet
AdoMet -> AdoHcy
AdoMet -> AdoHcy
AdoHcy <-> Homocysteine
Homocysteine + _5mTHF -> Methionine
Homocysteine -> Methionine
Homocysteine -> Cystathionine
Metin -> Methionine