# OC Root 2nd 3rd 4th PC Gene/Definition OC.671218 Bacteria.161625 Proteobacteria.607044 Deltaproteobacteria.120946 hmr.109 hmr:Hipma_0087 Ribosomal RNA small subunit methyltransferase G; K03501 16S rRNA (guanine527-N7)-methyltransferase [EC:2.1.1.170]