# OC Root 2nd 3rd 4th PC Gene/Definition OC.119878 Archaea.28697 Euryarchaeota.32434 Methanosaeta.1159 mcj.3 mcj:MCON_0006 Tetratricopeptide repeat protein OC.119878 Archaea.28697 Euryarchaeota.32434 Methanosaeta.1159 mcj.3 mcj:MCON_3490 TPR-repeat protein