uroporphyrinogen /uro·por·phy·rin·o·gen/ (-por″fĭ-rin´o-jen) a porphyrinogen formed from porphobilinogen; it is a precursor of uroporphyrin and coproporphyrinogen.
u·ro·por·phy·rin·o·gen (y r  -pôrf -r n -jn, -j n)n. Any of various porphyrins that can be converted to uroporphyrins. |
uroporphyrinogen
a precursor of uroporphyrin and coproporphyrinogen.
uroporphyrinogen III
first tetrapyrrole compound in the pathway of porphyrin synthesis from combination of four porphobilinogen compounds via the action of uroporphyrinogen I synthetase and uroporphyrinogen III cosynthetase.
uroporphyrinogen III cosynthetase
an enzyme involved in the synthesis of uroporphyrinogen.
uroporphyrinogen isomerase
see uroporphyrinogen III cosynthetase (above).
uroporphyrinogen I synthetase
an enzyme involved in the synthesis of uroporphyrinogen.
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