# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.663763 Bacteria.154235 Firmicutes.46338 Firmicutes___Clostridia.144405 Thermoclostridium.756 css.1797 css:Cst_c18720 transcriptional regulator MarR family OC.663763 Bacteria.154235 Firmicutes.46338 Firmicutes___Clostridia.144405 Thermoclostridium.756 csd.1707 csd:Clst_1800 transcriptional regulator