# OC Root 2nd 3rd 4th PC Gene/Definition OC.66414 Bacteria.273272 Proteobacteria.455160 Alphaproteobacteria.308693 daa.3979 daa:AKL17_3899 dihydropyrimidine dehydrogenase OC.66414 Bacteria.273272 Acidobacteria.14153 - abac.1140 abac:LuPra_00912 preA_1; NAD-dependent dihydropyrimidine dehydrogenase subunit PreA; K17723 dihydropyrimidine dehydrogenase (NAD+) subunit PreA [EC:1.3.1.1]