# OC Root 2nd 3rd 4th PC Gene/Definition OC.118370 Archaea.27510 Euryarchaeota.30826 Methanoculleus.1211 mem.1330 mem:Memar_1357 peptidase S1 and S6, chymotrypsin/Hap OC.118370 Archaea.27510 Euryarchaeota.30826 Methanoculleus.1211 mbg.2107 mbg:BN140_2236 periplasmic serine protease OC.118370 Archaea.27510 Euryarchaeota.30826 Methanoculleus.1211 mema.2855 mema:MMAB1_2964 conserved protein of unknown function