# OC Root 2nd 3rd 4th PC Gene/Definition OC.189205 Bacteria.322578 Firmicutes.303909 Firmicutes___Clostridia.185455 tmr.1041 tmr:Tmar_1049 hydroxymethylglutaryl-CoA lyase; K01640 hydroxymethylglutaryl-CoA lyase [EC:4.1.3.4]