a (2R)-2-hydroxycarboxylate + A => a 2-oxocarboxylate + AH2
a (2r)-2-hydroxycarboxylate + a => a 2-oxocarboxylate + ah2
a (2R)-2-hydroxycarboxylate + A => a 2-oxocarboxylate + AH2
a (2r)-2-hydroxycarboxylate + a => a 2-oxocarboxylate + ah2