# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.568953 Bacteria.483245 Firmicutes.97391 Firmicutes___Clostridia.99646 Clostridium.22594 csr.2543 csr:Cspa_c25290 transcriptional regulator, MerR family OC.568953 Bacteria.483245 Firmicutes.97391 Firmicutes___Clostridia.99646 Clostridium.22594 carg.586 carg:RSJ17_02975 MerR family transcriptional regulator