# OC Root 2nd 3rd 4th PC Gene/Definition OC.368390 Archaea.10024 Thaumarchaeota.2254 Nitrososphaera.2517 nga.176 nga:Ngar_c14870 UDP-sulfoquinovose synthase OC.368390 Archaea.10024 Thaumarchaeota.2254 Nitrososphaera.2517 nga.176 nga:Ngar_c30490 putative NAD-dependent epimerase/dehydratase; K06118 UDP-sulfoquinovose synthase [EC:3.13.1.1]