# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.279965 Bacteria.346474 Proteobacteria.222824 Gammaproteobacteria.309223 Legionella.10197 llo.674 llo:LLO_0661 sdhB-2; succinate dehydrogenase, iron sulfur protein; K00240 succinate dehydrogenase / fumarate reductase, iron-sulfur subunit [EC:1.3.5.1 1.3.5.4]