L-methionine <=> 2-aminobut-2-enoate + methanethiol
l-methionine <=> 2-aminobut-2-enoate + methanethiol
L-methionine <=> 2-aminobut-2-enoate + methanethiol
l-methionine <=> 2-aminobut-2-enoate + methanethiol