Uroporphyrinogens are cyclic tetrapyrroles with four propionic acid groups (`P` groups) and four acetic acid groups (`A` groups). There are four forms, which vary based upon the arrangements of the `P` and `A` groups (in clockwise order): ...
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http://en.wikipedia.org/wiki/Uroporphyrinogen
See: porphyrinogens. ... Uroporphyrinogen decarboxylase, an enzyme that participates in haem biosynthesis; it catalyses the decarboxylation of uroporphyrinogen III to produce coproporphyrinogen III; it also acts on uroporphyrinogen I; a deficiency of this enzyme will result in either porphyria cutanea tarda or hepatoerythropoietic porphyria. ... Ur...
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http://www.encyclo.co.uk/local/20973
(u″ro-por″fә-rin´ә-jәn) a porphyrinogen formed from porphobilinogen; it is a precursor of uroporphyrin and coproporphyrinogen.
Found on
http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: yūr′ō-pōr′fi-rin′ō-jen See: porphyrinogens
Found on
http://www.medilexicon.com/medicaldictionary.php?t=96167
No exact match found.
