# OC Root 2nd 3rd 4th PC Gene/Definition OC.100469 Archaea.28206 Euryarchaeota.31751 Methanoculleus.769 mem.647 mem:Memar_0655 D-alanine--D-alanine ligase; K01921 D-alanine-D-alanine ligase [EC:6.3.2.4] OC.100469 Archaea.28206 Euryarchaeota.31751 Methanoculleus.769 mbg.1683 mbg:BN140_1773 D-alanine-D-alanine ligase; K01921 D-alanine-D-alanine ligase [EC:6.3.2.4] OC.100469 Archaea.28206 Euryarchaeota.31751 Methanoculleus.769 mema.2225 mema:MMAB1_2286 D-alanine-D-alanine ligase; K01921 D-alanine-D-alanine ligase [EC:6.3.2.4]