S-adenosyl-L-methionine = L-homoserine lactone + S-methyl-5'-thioadenosine
s-adenosyl-l-methionine = l-homoserine lactone + s-methyl-5'-thioadenosine
"S-adenosyl-L-methionine alkyltransferase (cyclizing)"
"s-adenosyl-l-methionine alkyltransferase (cyclizing)"