3974 (UroD2) URO-DThalassiosira pseudonana
GO:0004853 GO:0006779 -
uroporphyrinogen decarboxylase activity
Catalysis of the reaction: uroporphyrinogen-III = coproporphyrinogen + 4 CO2.
porphyrin-containing compound biosynthetic process
The chemical reactions and pathways resulting in the formation of any member of a large group of derivatives or analogs of porphyrin. Porphyrin consists of a ring of four pyrrole nuclei linked each to the next at their alpha positions through a methine group.