Uroporphyrinogen III

《英文msh詞典》Uroporphyrinogen III
[入口詞] Uroporphyrinogen III
[主題詞] Uroporphyrinogens
[英文釋義] 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.