preferred_name: N-terminal L-methionyl-L-lysyl-[protein] + acetyl-CoA => N-terminal N(alpha)-acetyl-L-methionyl-L-lysyl-[protein] + CoA + H(+)
preferred_name_lc: n-terminal l-methionyl-l-lysyl-[protein] + acetyl-coa => n-terminal n(alpha)-acetyl-l-methionyl-l-lysyl-[protein] + coa + h(+)
label: N-terminal L-methionyl-L-lysyl-[protein] + acetyl-CoA => N-terminal N(alpha)-acetyl-L-methionyl-L-lysyl-[protein] + CoA + H(+)
label_lc: n-terminal l-methionyl-l-lysyl-[protein] + acetyl-coa => n-terminal n(alpha)-acetyl-l-methionyl-l-lysyl-[protein] + coa + h(+)