From: ECPred: a tool for the prediction of the enzymatic functions of protein sequences based on the EC nomenclature
EC main classes
# of proteins
# of UniRef50 clusters
Oxidoreductases
36,577
8242
Transferases
86,163
20,133
Hydrolases
59,551
16,018
Lyases
22,368
3475
Isomerases
13,615
2883
Ligases
29,233
4429
Non-Enzyme
42,382
25,333