# OC Root 2nd 3rd 4th PC Gene/Definition OC.226484 Bacteria.345084 Firmicutes.134071 Firmicutes___Clostridia.83509 tpz.940 tpz:Tph_c09670 hgdC1; activator of (R)-2-hydroxyglutaryl-CoA dehydratase HgdC