# OC Root 2nd 3rd 4th PC Gene/Definition OC.339521 Bacteria.291431 Proteobacteria.279509 Deltaproteobacteria.44569 mrm.2255 mrm:A7982_01767 D,D-heptose 7-phosphate kinase; K07031 D-glycero-alpha-D-manno-heptose-7-phosphate kinase [EC:2.7.1.168]