uroporphyrinogen Biochem.
(ˌjʊərəʊpɔːfɪˈrɪnədʒən)
[a. G. uroporphyrinogen (Fischer & Zerweck 1924, in Zeitschr. f. physiol. Chem. CXXXVIII. 242): see prec. and -ogen.]
Any porphyrinogen in which the pyrrole rings have side chains as in a uroporphyrin.
| 1924 Chem. Abstr. XVIII. 3063 (heading) Uroporphyrinogen heptamethyl ester and a new conversion of uro- into coproporphyrin. 1955 Science 17 June 878/2 Uroporphyrins and very small amounts of coproporphyrins have been recovered after incubation of uroporphyrinogen I or III..with Chlorella preparations. 1982 T. M. Devlin Textbk. Biochem. xxii. 1077/1 This enzyme acts on the side chains of the uroporphyrinogens to form the coproporphyrinogens. |