<p>This protein has been characterised in <taxon tax_id="1423">Bacillus subtilis</taxon> [<cite idref="PUB00016396"/>] as the FAD binding-subunit of xanthine dehydrogenase (pucC), acting in conjunction with pucD, the molybdopterin-binding subunit and pucE, the FeS-binding subunit.</p> Xanthine dehydrogenase C subunit