pentanoyl-CoA + L-seryl-[protein] => O-pentanoyl-L-seryl-[protein] + CoA
pentanoyl-coa + l-seryl-[protein] => o-pentanoyl-l-seryl-[protein] + coa
pentanoyl-CoA + L-seryl-[protein] => O-pentanoyl-L-seryl-[protein] + CoA
pentanoyl-coa + l-seryl-[protein] => o-pentanoyl-l-seryl-[protein] + coa