label: N-terminal N(alpha)-acetyl-L-methionyl-L-aspartyl-[protein] + H2O = N-terminal L-aspartyl-[protein] + N(alpha)-acetyl-L-methionine
label_lc: n-terminal n(alpha)-acetyl-l-methionyl-l-aspartyl-[protein] + h2o = n-terminal l-aspartyl-[protein] + n(alpha)-acetyl-l-methionine