propanoyl-CoA + hydrogencarbonate + NADH + H(+) => (R)-2-methyl-3-oxopropanoate + NAD(+) + CoA + H2O
propanoyl-coa + hydrogencarbonate + nadh + h(+) => (r)-2-methyl-3-oxopropanoate + nad(+) + coa + h2o