# OC Root 2nd 3rd 4th PC Gene/Definition OC.88850 Archaea.11129 Crenarchaeota.8917 Ignicoccus.81 iho.1089 iho:Igni_1102 cystathionine gamma-synthase; K01739 cystathionine gamma-synthase [EC:2.5.1.48] OC.88850 Archaea.11129 Crenarchaeota.8917 Ignicoccus.81 iis.1357 iis:EYM_07310 hypothetical protein; K01739 cystathionine gamma-synthase [EC:2.5.1.48] OC.88850 Archaea.11129 Crenarchaeota.8917 Vulcanisaeta.27 vdi.1017 vdi:Vdis_1046 Cystathionine gamma-lyase; K01739 cystathionine gamma-synthase [EC:2.5.1.48] OC.88850 Archaea.11129 Crenarchaeota.8917 Vulcanisaeta.27 vmo.1851 vmo:VMUT_1880 cystathionine gamma-synthase; K01739 cystathionine gamma-synthase [EC:2.5.1.48]