# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.110923 Bacteria.508645 Proteobacteria.193198 Alphaproteobacteria.67300 Rhodopseudomonas.7779 rpb.1537 rpb:RPB_1525 GDP-mannose 4,6-dehydratase; K01711 GDPmannose 4,6-dehydratase [EC:4.2.1.47]