# OC Root 2nd 3rd PC Gene/Definition OC.342341 Bacteria.404120 Bacteroidetes.46516 fln.1333 fln:FLA_1284 ribonucleotide reductase of class Ia (aerobic), beta subunit; K00526 ribonucleoside-diphosphate reductase beta chain [EC:1.17.4.1]