A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.
Acting on a sulfur group of donors
With oxygen as acceptor
The following ENZYME entries belong to class 1.8.3.-:
184.108.40.206 Sulfite oxidase 220.127.116.11 Thiol oxidase 18.104.22.168 Glutathione oxidase 22.214.171.124 Methanethiol oxidase 126.96.36.199 Prenylcysteine oxidase 188.8.131.52 Farnesylcysteine lyase 184.108.40.206 Formylglycine-generating enzyme