label: N-terminal N-acetyl-L-aspartyl-L-aspartyl-L-aspartyl-[protein] + CoA + H(+) => N-terminal L-aspartyl-L-aspartyl-L-aspartyl-[protein] + acetyl-CoA
label_lc: n-terminal n-acetyl-l-aspartyl-l-aspartyl-l-aspartyl-[protein] + coa + h(+) => n-terminal l-aspartyl-l-aspartyl-l-aspartyl-[protein] + acetyl-coa