Heme Synthesis Pathway Enzymes 1. ALA Synthase 2. ALA Dehydratase 3. Porphobilinogen deaminase 4. UP Ill Synthase 5. UP Ill Decarboxylase 6. Coproporphyrinogen oxidase 7. Ferrochelatase - James Dazhe Cao @JamesCaoMD #Heme #Synthesis #Pathway #pathophysiology #diagnosis