title: Biosynthesis of porphyrins and related macrocycles. Part V. Structural integrity of the type III porphyrinogen macrocycle in an active biological system; studies on the aromatisation of protoporphyrinogen-IX.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D005055:Euglena / Q000201:enzymology; D009097:Multienzyme Complexes / Q000378:metabolism; D011165:Porphyrinogens / Q000096:biosynthesis*; D011166:Porphyrins / Q000096:biosynthesis*; D011524:Protoporphyrins / Q000096:biosynthesis*
chemical_list: D009097:Multienzyme Complexes; D011165:Porphyrinogens; D011166:Porphyrins; D011524:Protoporphyrins