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.
Hydrolases
Acting on peptide bonds (peptidases)
Cysteine-type carboxypeptidases
The following ENZYME entries belong to class 3.4.18.-:
3.4.18.1 Cathepsin X