# OC Root 2nd 3rd 4th PC Gene/Definition OC.572055 Archaea.28048 Euryarchaeota.31544 Methanoculleus.313 mbg.1285 mbg:BN140_1359 peptidase S41; K03797 carboxyl-terminal processing protease [EC:3.4.21.102] OC.572055 Archaea.28048 Euryarchaeota.31544 Methanoculleus.313 mema.1694 mema:MMAB1_1736 Peptidase S41; K03797 carboxyl-terminal processing protease [EC:3.4.21.102] OC.572055 Archaea.28048 Euryarchaeota.31544 Methanoregula.3011 mfo.1592 mfo:Metfor_1691 periplasmic protease; K03797 carboxyl-terminal processing protease [EC:3.4.21.102] OC.572055 Archaea.28048 Euryarchaeota.31544 - mpl.1995 mpl:Mpal_2210 peptidase S41; K03797 carboxyl-terminal processing protease [EC:3.4.21.102]