# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.101104 Bacteria.26033 Firmicutes.49866 Firmicutes___Clostridia.65827 Faecalibacterium.3488 fpr.2092 fpr:FP2_25480 His Kinase A (phosphoacceptor) domain./Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase.; K07646 two-component system, OmpR family, sensor histidine kinase KdpD [EC:2.7.13.3]