# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.129734 Bacteria.1206017 Proteobacteria.751621 Gammaproteobacteria.381658 Thioglobus.2173 tsn.914 tsn:W908_04730 electron transfer flavoprotein subunit beta; K03522 electron transfer flavoprotein alpha subunit