# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.189614	Bacteria.251918	Proteobacteria.19279	Gammaproteobacteria.19419	oai.286	oai:OLEAN_C02370   rpoB; DNA-directed RNA polymerase subunit beta; K03043 DNA-directed RNA polymerase subunit beta [EC:2.7.7.6]