# OC Root 2nd 3rd 4th PC Gene/Definition OC.110469 Bacteria.277458 Proteobacteria.138492 Deltaproteobacteria.38784 sur.2872 sur:STAUR_2924 cysI; Sulfite reductase (NADPH) hemoprotein, beta-component; K00381 sulfite reductase (NADPH) hemoprotein beta-component [EC:1.8.1.2]