# OC Root 2nd 3rd 4th PC Gene/Definition OC.51649 Bacteria.456399 Firmicutes.129433 Firmicutes___Clostridia.71197 sth.1662 sth:STH2532 succinyl-CoA synthetase alpha subunit; K01902 succinyl-CoA synthetase alpha subunit [EC:6.2.1.5]