A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_09. Read more about EC 7 here.
The following ENZYME entries belong to class 1.7.2.-:
188.8.131.52 Nitrite reductase (NO-forming) 184.108.40.206 Nitrite reductase (cytochrome; ammonia-forming) 220.127.116.11 Trimethylamine-N-oxide reductase (cytochrome c) 18.104.22.168 Nitrous-oxide reductase 22.214.171.124 Nitric-oxide reductase (cytochrome c) 126.96.36.199 Hydroxylamine dehydrogenase 188.8.131.52 Hydrazine synthase 184.108.40.206 Hydrazine dehydrogenase