# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.189640	Bacteria.1071763	Proteobacteria.539124	Betaproteobacteria.239354	cbx.2465	cbx:Cenrod_2690   DNA-directed RNA polymerase I subunit A1; K13797 DNA-directed RNA polymerase subunit beta-beta' [EC:2.7.7.6]