Copyright copy;2010 Baishideng Publishing Group Co.
World J Gastroenterol. Sep 28, 2010; 16(36): 4526-4531
Published online Sep 28, 2010. doi: 10.3748/wjg.v16.i36.4526
Figure 1
Figure 1 The heme biosynthetic pathway. In erythropoietic protoporphyria there is a deficiency in the activity of ferrochelatase which catalyzes the insertion of the ferrous iron into the protoporphyrin IX ring to form heme.