# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.97746 Bacteria.347659 Proteobacteria.156169 Gammaproteobacteria.148582 Gammaproteobacteria___Enterobacteria.59067 - sfo.1849 sfo:Z042_10710 ATPase OC.97746 Bacteria.347659 Proteobacteria.156169 Gammaproteobacteria.148582 Gammaproteobacteria___Enterobacteria.59067 Xenorhabdus.7999 xdo.1801 xdo:XDD1_1914 clpB; ATP-dependent Clp protease regulatory subunit