Protoporphyrinogen Oxidase

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Protoporphyrinogen oxidase (477 aa, ~51 kDa) is encoded by the human PPOX gene. This protein is involved in the oxidation of protoporphyrinogen-IX to form protoporphyrin-IX.

**Synonyms:** - EC 1.3.3.4 - PPO - PPOX