# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.167129 Bacteria.1117109 Proteobacteria.630624 Epsilonproteobacteria.16541 Helicobacter.2956 hhm.662 hhm:BN341_15560 Ribose-phosphate pyrophosphokinase; K00948 ribose-phosphate pyrophosphokinase [EC:2.7.6.1]