porphyrinogen /por·phy·rin·o·gen/ (por″fĭ-rin´o-jen) the reduced form of any porphyrin; they are the functional intermediates in the biosynthesis of heme.
porphyrinogen
porphyrinogen [por″fĭ-rin´o-jen]
por·phy·rin·o·gen (pôr f -r n -jn, -j n)n. Any of the intermediates in the biosynthesis of heme. |
porphyrinogen
[por′f-rin′o-jen]
the reduced form of a porphyrin. The porphyrinogens are the functional intermediates in the biosynthesis of heme and if, oxidized to their corresponding porphyrins, such as occurs in porphyrias, are irreversibly removed from the biosynthetic pathway and accumulate in tissue. Their nomenclature corresponds to that of the porphyrins.
porphyrinogen [por″fĭ-rin´o-jen]
the reduced form of a porphyrin. The porphyrinogens are the functional intermediates in the biosynthesis of heme and if oxidized to their corresponding porphyrins, such as occurs in porphyrias, are irreversibly removed from the biosynthetic pathway and accumulate in tissues. Their nomenclature corresponds to that of the porphyrins.
porphyrinogen
partly reduced precursor form of porphyrin rings which can then have metals such as iron introduced to produce heme or other porphyrin structures.
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