Figure 1.
The heme biosynthetic pathway. Heme biosynthesis occurs via 8 enzymatic steps. The decreased activity of UROD, the fifth step in the pathway, leads to porphyria cutanea tarda. Professional illustration by Patrick Lane, ScEYEnce Studios.
The heme biosynthetic pathway. Heme biosynthesis occurs via 8 enzymatic steps. The decreased activity of UROD, the fifth step in the pathway, leads to porphyria cutanea tarda. Professional illustration by Patrick Lane, ScEYEnce Studios.