# OC Root 2nd 3rd 4th PC Gene/Definition OC.375342 Archaea.15835 Euryarchaeota.14580 Methanoculleus.2159 mem.148 mem:Memar_0111 cysteate synthase; K15527 cysteate synthase [EC:2.5.1.76] OC.375342 Archaea.15835 Euryarchaeota.14580 Methanoculleus.2159 mbg.80 mbg:BN140_0055 thrC1; Threonine synthase; K15527 cysteate synthase [EC:2.5.1.76] OC.375342 Archaea.15835 Euryarchaeota.14580 Methanoculleus.2159 mema.125 mema:MMAB1_0058 Cysteate synthase; K15527 cysteate synthase [EC:2.5.1.76]