EOG8D55C9 GO:0004109 26/86 coproporphyrinogen oxidase activity molecular_function "Catalysis of the reaction: coproporphyrinogen III + 2 H(+) + O(2) = 2 CO(2) + 2 H(2)O + protoporphyrinogen IX." [EC:1.3.3.3, RHEA:18260] EOG8D55C9 GO:0006779 25/86 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] EOG8D55C9 GO:0042803 1/86 protein homodimerization activity molecular_function "Interacting selectively and non-covalently with an identical protein to form a homodimer." [GOC:jl] EOG8D55C9 GO:0006782 1/86 protoporphyrinogen IX biosynthetic process biological_process "The chemical reactions and pathways resulting in the formation of protoporphyrinogen IX." [GOC:go_curators]