ppo:PPM_1574 K01647 citrate synthase [EC:2.3.3.1] | (GenBank) citZ; citrate synthase ppo:PPM_1575 K00031 isocitrate dehydrogenase [EC:1.1.1.42] | (GenBank) citC; isocitrate dehydrogenase ppo:PPM_0744 K01681 aconitate hydratase [EC:4.2.1.3] | (GenBank) acnA; aconitate hydratase