# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.110268 Bacteria.248130 Firmicutes.110012 Firmicutes___Clostridia.13568 Halanaerobium.2414 hpk.394 hpk:Hprae_0391 Sulfate adenylyltransferase; K00955 bifunctional enzyme CysN/CysC [EC:2.7.7.4 2.7.1.25]