# OC Root 2nd 3rd 4th PC Gene/Definition OC.24833 Bacteria.17987 Proteobacteria.264198 Deltaproteobacteria.1841 bsed.319 bsed:DN745_00920 Fis family transcriptional regulator OC.24833 Bacteria.17987 Proteobacteria.264198 Deltaproteobacteria.1841 bsed.2519 bsed:DN745_13665 Fis family transcriptional regulator