EC 1.3.3.4 (protoporphyrinogen oxidase) inhibitor An EC 1.3.3.* (oxidoreductase acting on donor CH-CH group with oxygen as acceptor) inhibitor that interferes with the action of protoporphyrinogen oxidase (EC 1.3.3.4). EC 1.3.3.4 (protoporphyrinogen oxidase) inhibitors protoporphyrinogen oxidase (EC 1.3.3.4) inhibitors protoporphyrinogen oxidase inhibitors protoporphyrinogen IX oxidase inhibitors protoporphyrinogen oxidase (EC 1.3.3.4) inhibitor Protox inhibitor HemY inhibitors HemG inhibitor protoporphyrinogen IX oxidase inhibitor protoporphyrinogenase inhibitors PPO inhibitors protoporphyrinogen-IX:oxygen oxidoreductase inhibitor HemY inhibitor EC 1.3.3.4 inhibitors HemG inhibitors PMID:15660355 PMID:22273380 protoporphyrinogen-IX:oxygen oxidoreductase inhibitors Protox inhibitors protoporphyrinogenase inhibitor EC 1.3.3.4 inhibitor Wikipedia:Protoporphyrinogen_oxidase PPO inhibitor CHEBI:73192 chebi_ontology protoporphyrinogen oxidase inhibitor EC 1.3.3.* (oxidoreductase acting on donor CH-CH group, oxygen as acceptor) inhibitor