beta-hydroxyisobutyrate + NAD+ <=> methylmalonyl semialdehyde + NADH + H+ (Bos taurus)
beta-hydroxyisobutyrate + nad+ <=> methylmalonyl semialdehyde + nadh + h+ (bos taurus)
beta-hydroxyisobutyrate + NAD+ <=> methylmalonyl semialdehyde + NADH + H+ (Bos taurus)
beta-hydroxyisobutyrate + nad+ <=> methylmalonyl semialdehyde + nadh + h+ (bos taurus)