6.3.4.11 biotin---[methylcrotonoyl-CoA-carboxylase] ligase; biotin-[methylcrotonoyl-CoA-carboxylase] synthetase; biotin-beta-methylcrotonyl coenzyme A carboxylase synthetase; beta-methylcrotonyl coenzyme A holocarboxylase synthetase; holocarboxylase-syntheta • • •