- Classes: Alpha and beta proteins (a/b)
- Folds: P-loop containing nucleoside triphosphate hydrolases
- Superfamilies: P-loop containing nucleoside triphosphate hydrolases
Families:
- 4
- 2
- 92
- 9
- 6
- 11
- 2
- 2
- 6
- 1
- 96
- 1018
- 6
- 2
- 123
- 168
- 267
- 54
- 21
- 2
- 59
- 164
- 22
- 68
- 8
- 2
- 730
* Number of SCOP families of each Family