# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.568663 Archaea.17901 Euryarchaeota.17787 Haloarcula.1465 - hma.3969 hma:rrnB0070 speE; spermidine synthase; K00797 spermidine synthase [EC:2.5.1.16] OC.568663 Archaea.17901 Euryarchaeota.17787 Haloarcula.1465 Haloarcula_hispanica.2415 hhi.3263 hhi:HAH_4223 speE; spermidine synthase; K00797 spermidine synthase [EC:2.5.1.16] OC.568663 Archaea.17901 Euryarchaeota.17787 Haloarcula.1465 Haloarcula_hispanica.2415 hhn.3459 hhn:HISP_17675 spermidine synthase; K00797 spermidine synthase [EC:2.5.1.16] OC.568663 Archaea.17901 Euryarchaeota.17787 Natronomonas.2272 - nmo.1682 nmo:Nmlp_2850 speE; spermidine synthase; K00797 spermidine synthase [EC:2.5.1.16] OC.568663 Archaea.17901 Euryarchaeota.17787 - - hmu.2357 hmu:Hmuk_2430 Spermine synthase; K00797 spermidine synthase [EC:2.5.1.16] OC.568663 Archaea.17901 Euryarchaeota.17787 Haloquadratum.2159 - hwa.906 hwa:HQ_1919A polyamine aminopropyltransferase; K00797 spermidine synthase [EC:2.5.1.16] OC.568663 Archaea.17901 Euryarchaeota.17787 Haloquadratum.2159 - hwc.941 hwc:Hqrw_2081 polyamine aminopropyltransferase; K00797 spermidine synthase [EC:2.5.1.16] OC.568663 Archaea.17901 Euryarchaeota.17787 Haloferax.1960 - hvo.3845 hvo:HVO_B0357 polyamine aminopropyltransferase; K00797 spermidine synthase [EC:2.5.1.16] OC.568663 Archaea.17901 Euryarchaeota.17787 Haloferax.1960 - hme.3063 hme:HFX_5005 speE; spermidine synthase; K00797 spermidine synthase [EC:2.5.1.16] OC.568663 Archaea.17901 Euryarchaeota.17787 Haloferax.1960 - hgi.2992 hgi:ABY42_15345 spermidine synthase; K00797 spermidine synthase [EC:2.5.1.16] OC.568663 Archaea.17901 Euryarchaeota.17787 - - srub.498 srub:C2R22_02260 spermidine synthase; K00797 spermidine synthase [EC:2.5.1.16]