# OC Root 2nd 3rd PC Gene/Definition OC.110483 Archaea.10753 Crenarchaeota.4847 sto.2647 sto:STK_25660 sir; putative ferredoxin-dependent sulfite reductase; K00381 sulfite reductase (NADPH) hemoprotein beta-component [EC:1.8.1.2]