# OC Root 2nd 3rd 4th PC Gene/Definition OC.110268 Bacteria.248130 Proteobacteria.170481 Alphaproteobacteria.2850 xau.1453 xau:Xaut_1400 sulfate adenylyltransferase, large subunit; K00955 bifunctional enzyme CysN/CysC [EC:2.7.7.4 2.7.1.25]