# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.118371 Archaea.30960 Euryarchaeota.34928 Methanothermobacter.712 - mth.877 mth:MTH_1813 serine protease HtrA OC.118371 Archaea.30960 Euryarchaeota.34928 Methanothermobacter.712 - mmg.374 mmg:MTBMA_c03830 htrA; predicted serine protease HtrA OC.118371 Archaea.30960 Euryarchaeota.34928 Methanothermobacter.712 Methanothermobacter_sp_.1652 metc.1647 metc:MTCT_1653 serine protease OC.118371 Archaea.30960 Euryarchaeota.34928 Methanothermobacter.712 Methanothermobacter_sp_.2363 mete.1713 mete:tca_01751 htrA; Putative serine protease HtrA