# OC Root 2nd 3rd 4th PC Gene/Definition OC.415832 Bacteria.333207 Proteobacteria.586948 Deltaproteobacteria.94300 age.4044 age:AA314_04055 Ribonucleotide reductase of class III; K04068 anaerobic ribonucleoside-triphosphate reductase activating protein [EC:1.97.1.4]