# OC Root 2nd 3rd 4th PC Gene/Definition OC.110469 Bacteria.277458 Proteobacteria.138492 Betaproteobacteria.56564 cdn.933 cdn:BN940_04691 Sulfite reductase [NADPH] hemoprotein beta-component; K00381 sulfite reductase (NADPH) hemoprotein beta-component [EC:1.8.1.2]