S-adenosyl-L-methionine + phosphate + diphosphate => L-methionine + ATP + H2O
s-adenosyl-l-methionine + phosphate + diphosphate => l-methionine + atp + h2o
S-adenosyl-L-methionine + phosphate + diphosphate => L-methionine + ATP + H2O
s-adenosyl-l-methionine + phosphate + diphosphate => l-methionine + atp + h2o