# OC Root 2nd 3rd 4th PC Gene/Definition OC.189205 Bacteria.322578 Firmicutes.9423 Firmicutes___Clostridia.175250 ova.1576 ova:OBV_15970 mvaB; hydroxymethylglutaryl-CoA lyase; K01640 hydroxymethylglutaryl-CoA lyase [EC:4.1.3.4]