Enzyme Details

Enzyme (Recommended) Name	protoporphyrinogen oxidase
Alternative names	protoporphyrinogen-IX:oxygen oxidoreductase protoporphyrinogen IX oxidase protoporphyrinogenase PPO Protox HemG HemY
EC Classification	1.3.3.4
Classification	Oxidoreductases Acting on the CH-CH group of donors With oxygen as acceptor
Catalyses reactions	3 O2 + 2 Protoporphyrinogen IX <-> 6 H2O + 2 Protoporphyrin 3 O2 + Protoporphyrinogen IX <-> 3 H2O2 + Protoporphyrin 3 O2 + Coproporphyrinogen III <-> 3 H2O2 + Coproporphyrin III 3 O2 + Mesoporphyrinogen IX <-> 3 H2O2 + Mesoporphyrin IX
External links	Expasy KEGG IntEnz (EBI) IUBMB Reactome HepatoSys
	View all entries for EC Class 1.3.3.4