# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.158363 Bacteria.974688 Proteobacteria.400094 Alphaproteobacteria.228635 Methylobacterium.12227 mno.7019 mno:Mnod_8404 putative transcriptional regulator, TetR family OC.158363 Bacteria.974688 Proteobacteria.400094 Alphaproteobacteria.228635 Methylobacterium.12227 maqu.748 maqu:Maq22A_1p33255 acrR; putative transcriptional regulator, TetR family