2.3.3.8 acetyl-CoA biosynthesis from citrate - - PWY-5172 2.3.3.8 Biosynthesis of secondary metabolites - 01110 - 2.3.3.8 Carbon fixation pathways in prokaryotes - 00720 - 2.3.3.8 Citrate cycle (TCA cycle) - 00020 - 2.3.3.8 citric acid cycle citric acid cycle - - 2.3.3.8 Metabolic pathways - 01100 - 2.3.3.8 Microbial metabolism in diverse environments - 01120 - 2.3.3.8 reductive TCA cycle I - - P23-PWY