# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.375285 Bacteria.319894 Proteobacteria.235642 Gammaproteobacteria.34121 Thiomicrospira.725 tcy.1594 tcy:Thicy_1623 flavin reductase domain protein FMN-binding protein OC.375285 Bacteria.319894 Proteobacteria.235642 Gammaproteobacteria.34121 Thiomicrospira.725 tao.1977 tao:THIAE_10290 flavin reductase