Uroporphyrinogen III Decarboxylase - Function

Function

This gene encodes the fifth enzyme of the heme biosynthetic pathway. This enzyme is responsible for catalyzing the conversion of uroporphyrinogen to coproporphyrinogen through the removal of four carboxymethyl side chains.

Uroporphyrinogen III decarboxylase (UroD) is a homodimeric enzyme (EC 4.1.1.37, PDB 1URO) that catalyzes the fifth step in heme biosynthesis: the elimination of carboxyl groups from the four acetate side chains of uroporphyrinogen III to yield coproporphyrinogen III.

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