(S)-2-ethyl-2-hydroxy-3-oxobutanoate + CO2 => 2-oxobutanoate + pyruvate + H(+)
(s)-2-ethyl-2-hydroxy-3-oxobutanoate + co2 => 2-oxobutanoate + pyruvate + h(+)
(S)-2-ethyl-2-hydroxy-3-oxobutanoate + CO2 => 2-oxobutanoate + pyruvate + H(+)
(s)-2-ethyl-2-hydroxy-3-oxobutanoate + co2 => 2-oxobutanoate + pyruvate + h(+)