(R)-methylmalonyl-CoA + H(+) <=> propanoyl-CoA + CO2
(r)-methylmalonyl-coa + h(+) <=> propanoyl-coa + co2
(R)-methylmalonyl-CoA + H(+) <=> propanoyl-CoA + CO2
(r)-methylmalonyl-coa + h(+) <=> propanoyl-coa + co2