# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.456148	Bacteria.529399	Proteobacteria.264186	Deltaproteobacteria.18354	-	dps.1065	dps:DP1042   related to hydrogenase, component I-formate hydrogenlyase subunit 7
OC.456148	Bacteria.529399	Proteobacteria.264186	Deltaproteobacteria.18354	Desulfobulbus.4207	dpr.3024	dpr:Despr_3207   NADH ubiquinone oxidoreductase 20 kDa subunit
OC.456148	Bacteria.529399	Proteobacteria.264186	Deltaproteobacteria.18354	-	dsf.848	dsf:UWK_00845   Ni,Fe-hydrogenase III small subunit
OC.456148	Bacteria.529399	Proteobacteria.264186	Deltaproteobacteria.18354	-	dto.1907	dto:TOL2_C19530   hyfI; HyfI: predicted hydrogenase 4, component I (small subunit of [NiFe] hydrogenase)