EOG8WHC1Q GO:0004853 25/93 uroporphyrinogen decarboxylase activity molecular_function "Catalysis of the reaction: uroporphyrinogen-III = coproporphyrinogen + 4 CO2." [EC:4.1.1.37] EOG8WHC1Q GO:0006782 23/93 protoporphyrinogen IX biosynthetic process biological_process "The chemical reactions and pathways resulting in the formation of protoporphyrinogen IX." [GOC:go_curators] EOG8WHC1Q GO:0006779 2/93 porphyrin-containing compound biosynthetic process biological_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." [GOC:jl, ISBN:0198506732] EOG8WHC1Q GO:0005737 2/93 cytoplasm cellular_component "All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures." [ISBN:0198547684]