# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.1876329 Bacteria.1005051 Proteobacteria.442613 Alphaproteobacteria.288066 Sphingomonas.21952 Sphingomonas_wittichii.2741 swi.1059 swi:Swit_1029 hypothetical protein OC.1876329 Bacteria.1005051 Proteobacteria.442613 Alphaproteobacteria.288066 Sphingomonas.21952 Sphingomonas_wittichii.2741 sphd.4069 sphd:HY78_21355 MxaD family protein