# OC Root 2nd 3rd 4th PC Gene/Definition OC.634143 Bacteria.345768 Firmicutes.13649 Acidaminococcus.50 afn.1131 afn:Acfer_1201 Desulfoferrodoxin ferrous iron-binding region OC.634143 Bacteria.345768 Firmicutes.13649 Acidaminococcus.50 ain.1215 ain:Acin_1207 conserved hypothetical protein; K05919 superoxide reductase [EC:1.15.1.2]