# OC Root 2nd 3rd 4th PC Gene/Definition OC.277828 Archaea.43465 Crenarchaeota.14738 Ignicoccus.859 iho.62 iho:Igni_0056 MscS Mechanosensitive ion channel OC.277828 Archaea.43465 Crenarchaeota.14738 Ignicoccus.859 iis.1051 iis:EYM_05655 small mechanosensitive ion channel protein MscS