# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.129684 Bacteria.496040 Proteobacteria.121591 Alphaproteobacteria.152836 Pelagibacter.2287 pub.1214 pub:SAR11_1251 etfA; electron transfer flavoprotein alpha-subunit; K03522 electron transfer flavoprotein alpha subunit OC.129684 Bacteria.496040 Proteobacteria.121581 Alphaproteobacteria.302896 - apc.1314 apc:HIMB59_00013470 FAD-binding electron transfer flavoprotein-like protein; K03522 electron transfer flavoprotein alpha subunit OC.129684 Bacteria.496040 Proteobacteria.121591 Alphaproteobacteria.152836 - apm.868 apm:HIMB5_00008900 electron transfer flavoprotein-like FAD-binding protein; K03522 electron transfer flavoprotein alpha subunit