1.8.3.1	sulfite oxidase	-	
1.8.3.2	thiol oxidase	-	
1.8.3.3	glutathione oxidase	-	
1.8.3.4	methanethiol oxidase	-	
1.8.3.5	prenylcysteine oxidase	-	
1.8.3.6	farnesylcysteine lyase	-	
1.8.3.7	formylglycine-generating enzyme	-	
1.8.3.B2	formylglycine generating enzyme	deleted, replaced by EC 1.8.3.7