# OC Root 2nd 3rd 4th PC Gene/Definition OC.455304 Bacteria.250250 Proteobacteria.335627 Gammaproteobacteria.216513 blep.1457 blep:AL038_08595 hypothetical protein OC.455304 Bacteria.250250 Proteobacteria.335627 Gammaproteobacteria.216513 hch.1072 hch:HCH_00998 Protein-disulfide isomerase OC.455304 Bacteria.250250 Proteobacteria.335627 Gammaproteobacteria.216513 ome.4459 ome:OLMES_4751 protein-disulfide isomerase