# OC Root 2nd 3rd 4th PC Gene/Definition OC.189176 Bacteria.500299 Proteobacteria.136842 Alphaproteobacteria.54696 aex.1991 aex:Astex_2032 Hydroxymethylglutaryl-CoA lyase; K01640 hydroxymethylglutaryl-CoA lyase [EC:4.1.3.4]