# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.567107 Bacteria.92559 Proteobacteria.269082 Deltaproteobacteria.27493 Geobacter.7312 Geobacter_sp_.3402 geb.2872 geb:GM18_2966 phage head morphogenesis protein, SPP1 gp7 family