See: porphyrinogens. ... Coproporphyrinogen oxidase, an enzyme that catalyses a step in porphyrin biosynthesis, reacting coproporphyrinogen-III and O2 to form protoporphyrinogen-IX and 2CO2. A deficiency of this enzyme will result in hereditary coproporphyria. ... (05 Mar 2000) ... 
Type: Term Pronunciation: kop′rō-pōr′fi-rin′ō-jen See: porphyrinogens