# OC Root 2nd 3rd 4th PC Gene/Definition OC.1176255 Archaea.2289 Crenarchaeota.18866 Thermoproteus.182 tuz.2076 tuz:TUZN_2134 hypothetical protein OC.1176255 Archaea.2289 Crenarchaeota.18866 Thermoproteus.182 ttn.1360 ttn:TTX_1422 Predicted nucleotidyltransferase fused to HEPN domain