# OC Root 2nd 3rd 4th PC Gene/Definition OC.65811 Archaea.12017 Crenarchaeota.7600 Staphylothermus.820 smr.379 smr:Smar_0379 cysteine desulfurase; K11717 cysteine desulfurase / selenocysteine lyase [EC:2.8.1.7 4.4.1.16] OC.65811 Archaea.12017 Crenarchaeota.7600 Staphylothermus.820 shc.403 shc:Shell_0422 cysteine desulfurase, SufS subfamily; K11717 cysteine desulfurase / selenocysteine lyase [EC:2.8.1.7 4.4.1.16]