<p> Members of this protein family possess an N-terminal heme-binding domain and C-terminal flavodehydrogenase domain, and share homology to yeast flavocytochrome b2, to E. coli L-lactate dehydrogenase [cytochrome], and to (S)-mandelate dehydrogenase. The exact function is unknown. </p> Heme/flavin dehydrogenase, Rv0694