(1) protoporphyrinogen@mitochondrial intermembrane space+O_sub_2_endsub_@mitochondrial intermembrane space - FAD:PPOX@mitochondrial intermembrane space -> protoporphyrin IX@mitochondrial intermembrane space
(2) protoporphyrin IX@mitochondrial intermembrane space -t-> protoporphyrin IX@mitochondrial matrix
ChEBI 8592 KEGGCOMPOUND C02191 CAS 553-12-8