N-terminal L-seryl-[histone H2A] + acetyl-CoA <=> N-terminal N(alpha)-acetyl-L-seryl-[histone H2A] + CoA + H(+)
n-terminal l-seryl-[histone h2a] + acetyl-coa <=> n-terminal n(alpha)-acetyl-l-seryl-[histone h2a] + coa + h(+)
N-terminal L-seryl-[histone H2A] + acetyl-CoA <=> N-terminal N(alpha)-acetyl-L-seryl-[histone H2A] + CoA + H(+)
n-terminal l-seryl-[histone h2a] + acetyl-coa <=> n-terminal n(alpha)-acetyl-l-seryl-[histone h2a] + coa + h(+)