# OC Root 2nd 3rd 4th PC Gene/Definition OC.110270 Bacteria.248112 Proteobacteria.558726 Deltaproteobacteria.51060 mrm.4774 mrm:A7982_04648 Sulfate adenylyltransferase subunit 1; K00955 bifunctional enzyme CysN/CysC [EC:2.7.7.4 2.7.1.25]