# OC Root 2nd 3rd 4th PC Gene/Definition OC.1183891 Archaea.19402 Euryarchaeota.19830 Haloplanus.2306 haq.148 haq:DU484_00680 restriction endonuclease OC.1183891 Archaea.19402 Euryarchaeota.19830 Haloplanus.2306 haj.3354 haj:DU500_17595 restriction endonuclease