preferred_name: L-methionyl-L-alanine + H2O <=> L-alanine + L-methionine
preferred_name_lc: l-methionyl-l-alanine + h2o <=> l-alanine + l-methionine
label: L-methionyl-L-alanine + H2O <=> L-alanine + L-methionine
label_lc: l-methionyl-l-alanine + h2o <=> l-alanine + l-methionine