(S)-2-hydroxyglutarate + NAD(+) <=> 2-oxoglutarate + NADH + H(+)
(s)-2-hydroxyglutarate + nad(+) <=> 2-oxoglutarate + nadh + h(+)
(S)-2-hydroxyglutarate + NAD(+) <=> 2-oxoglutarate + NADH + H(+)
(s)-2-hydroxyglutarate + nad(+) <=> 2-oxoglutarate + nadh + h(+)