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