Table 3.
Number of substructures recorded in DSDBASE version 2.0
| Full database | Non‐redundant_30 (nr_30) database | Native of nr_30 database | |
|---|---|---|---|
| No. of proteins | 153 944 | 26 638 | 4544 |
| No. of SS bonds | 20 369 946 | 2 303 684 | 20 932 |
| Grade A | 2 625 229 (13%) | 291 084 (13%) | 12 702 (61%) |
| Grade B | 5 431 859 (26%) | 609 450 (26%) | 3230 (15%) |
| Grade C | 6 220 158 (31%) | 713 542 (31%) | 3027 (14%) |
| Grade D a | 6 092 700 (30%) | 689 608 (30%) | 1973 (10%) |
a
Cα–Cα and Cβ–Cβ distances were compatible but sulphur could not be fixed geometrically.