putrescine + acetyl-CoA <=> N-acetylputrescine + CoA + H(+)
putrescine + acetyl-coa <=> n-acetylputrescine + coa + h(+)
putrescine + acetyl-CoA <=> N-acetylputrescine + CoA + H(+)
putrescine + acetyl-coa <=> n-acetylputrescine + coa + h(+)