| SCOP Classes |  | |||||
---|---|---|---|---|---|---|---|
 | All α | All β | α/β | α +β | Multi-Domain | Membraneg | Total |
N SF a | 48 | 54 | 57 | 55 | 4 | 4 | 222 |
N FA b | 97 | 114 | 131 | 96 | 5 | 4 | 447 |
N domain c | 753 | 937 | 1159 | 677 | 27 | 17 | 3570 |
N FA_NI d | 30 | 59 | 83 | 35 | 3 | 1 | 211 |
N I e | 796 | 1788 | 3576 | 1034 | 121 | 41 | 7356 |
N NI f | 158 | 339 | 1090 | 192 | 17 | 5 | 1801 |