(2R)-ethylmalonyl-CoA + ADP + phosphate + H(+) => butanoyl-CoA + hydrogencarbonate + ATP
(2r)-ethylmalonyl-coa + adp + phosphate + h(+) => butanoyl-coa + hydrogencarbonate + atp
(2R)-ethylmalonyl-CoA + ADP + phosphate + H(+) => butanoyl-CoA + hydrogencarbonate + ATP
(2r)-ethylmalonyl-coa + adp + phosphate + h(+) => butanoyl-coa + hydrogencarbonate + atp