Enzyme involved in Variegate porphyria
Ferrochelatase
Protoporphyrinogen oxidase
Uroporphyrinogen decarboxylase
ALA dehydratase
Enzyme InvolvedType Major Signs and SymptomsResults of Laboratory TestsProtoporphyrinogen oxidaseVariegate porphyria (hepatic)Photosensitivity, abdominal pain,neuropsychiatric symptomsUrinary ALA, PBG, and coproporphyrinIII and fecal protoporphyrinIX increasedRef: Harper&;s Biochemistry; 30th edition; Chapter 31 Porphyrins & Bile Pigments
Metabolism of protein and amino acid