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uroporfyrinogény
Heslo uroporfyrinogény Heslo anglicky Uroporphyrinogens Vysvetľujúca pozn. v angl. 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. 
predmetové heslo
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