# OC Root 2nd 3rd 4th PC Gene/Definition OC.110270 Bacteria.248112 Proteobacteria.275700 Deltaproteobacteria.38786 sur.2874 sur:STAUR_2926 cysN; Sulfate adenyltransferase, large subunit; K00955 bifunctional enzyme CysN/CysC [EC:2.7.7.4 2.7.1.25]