# OC Root 2nd 3rd 4th PC Gene/Definition OC.20835 Bacteria.411275 Firmicutes.133931 Firmicutes___Clostridia.83025 dgi.842 dgi:Desgi_0793 FAD binding protein; K03388 heterodisulfide reductase subunit A2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6]