# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509912 Bacteria.495578 Proteobacteria.118941 Gammaproteobacteria.16146 Halomonas.3982 hhu.3933 hhu:AR456_20655 iron-sulfur cluster insertion protein ErpA; K15724 iron-sulfur cluster insertion protein