# OC Root 2nd 3rd 4th PC Gene/Definition OC.110456 Bacteria.277459 Proteobacteria.643233 Gammaproteobacteria.118095 gpb.687 gpb:HDN1F_05910 cysI; Sulfite reductase; K00381 sulfite reductase (NADPH) hemoprotein beta-component [EC:1.8.1.2]