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Action of uroporphyrinogen decarboxylase on uroporphyrinogen III. 1991

J L Luo, and C K Lim

UI MeSH Term Description Entries
D014575 Uroporphyrinogen Decarboxylase An enzyme that catalyzes the decarboxylation of UROPORPHYRINOGEN III to coproporphyrinogen III by the conversion of four acetate groups to four methyl groups. It is the fifth enzyme in the 8-enzyme biosynthetic pathway of HEME. Several forms of cutaneous PORPHYRIAS are results of this enzyme deficiency as in PORPHYRIA CUTANEA TARDA; and HEPATOERYTHROPOIETIC PORPHYRIA. Uroporphyrinogen Carboxy-Lyase,Uroporphyrinogen III Decarboxylase,Carboxy-Lyase, Uroporphyrinogen,Decarboxylase, Uroporphyrinogen,Decarboxylase, Uroporphyrinogen III,Uroporphyrinogen Carboxy Lyase
D014577 Uroporphyrinogens Porphyrinogens which are intermediates in heme biosynthesis. They have four acetic acid and four propionic acid side chains attached to the pyrrole rings. Uroporphyrinogen I and III are formed from polypyrryl methane in the presence of uroporphyrinogen III cosynthetase and uroporphyrin I synthetase, respectively. They can yield uroporphyrins by autooxidation or coproporphyrinogens by decarboxylation. Uroporphyrinogen III

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