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 ester bonds
Endoribonucleases active with either ribo- or deoxyribonucleic acids and producing 3'-phosphomonoesters
The following ENZYME entries belong to class 3.1.31.-:
3.1.31.1 Micrococcal nuclease