_EC 1.3.3.- With oxygen as acceptor. 81 PDB entries  
EC 1.-.-.- Oxidoreductases. [21,484 PDB entries]
EC 1.3.-.- Acting on the CH-CH group of donors. [1,333 PDB entries]
EC 1.3.3.- With oxygen as acceptor. [81 PDB entries]
EC 1.3.3.1 Transferred entry: 1.3.98.1. [3 PDB entries]
EC 1.3.3.2 Transferred entry: 1.14.19.20. [-]
EC 1.3.3.3 coproporphyrinogen oxidase. [12 PDB entries]
EC 1.3.3.4 protoporphyrinogen oxidase. [6 PDB entries]
EC 1.3.3.5 bilirubin oxidase. [34 PDB entries]
EC 1.3.3.6 acyl-CoA oxidase. [11 PDB entries]
EC 1.3.3.7 dihydrouracil oxidase. [-]
EC 1.3.3.8 tetrahydroberberine oxidase. [-]
EC 1.3.3.9 Transferred entry: 1.14.19.62. [-]
EC 1.3.3.10 tryptophan alpha,beta-oxidase. [-]
EC 1.3.3.11 pyrroloquinoline-quinone synthase. [11 PDB entries]
EC 1.3.3.12 L-galactonolactone oxidase. [-]
EC 1.3.3.13 albonoursin synthase. [1 PDB entries]
EC 1.3.3.14 aclacinomycin-A oxidase. [1 PDB entries]
EC 1.3.3.15 coproporphyrinogen Iii oxidase (coproporphyrin-forming). [2 PDB entries]
EC 1.3.3.16 oxazoline dehydrogenase. [-]
EC 1.3.3.17 benzylmalonyl-CoA dehydrogenase. [-]

[-] signifies that there are no PDB entries for the given enzyme subclass