# OC Root 2nd 3rd 4th PC Gene/Definition OC.182116 Bacteria.314722 Firmicutes.13364 Firmicutes___Clostridia.909 sth.3050 sth:STH91 ATP synthase beta subunit; K02112 F-type H+/Na+-transporting ATPase subunit beta [EC:7.1.2.2 7.2.2.1]