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.
The following ENZYME entries belong to class 3.1.13.-:
18.104.22.168 Exoribonuclease II 22.214.171.124 Exoribonuclease H 126.96.36.199 Oligonucleotidase 188.8.131.52 Poly(A)-specific ribonuclease 184.108.40.206 Ribonuclease D