# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.459225 Bacteria.469772 Firmicutes.61212 Firmicutes___Bacilli.20942 Geobacillus.9854 gka.3487 gka:GKP26 ribonucleotide reductase small subunit; K00526 ribonucleoside-diphosphate reductase beta chain [EC:1.17.4.1]