Table 4.
Number of substructures recorded in DSDBASE previous version
| Full database | Non‐redundant_30 (nr_30) database | Native of nr_30 database | |
|---|---|---|---|
| No. of proteins | 19 612 | 2849 | 766 |
| No. of SS bonds | 2 385 617 | 149 892 | 2170 |
| Grade A | 307 003 (12%) | 19 591 (13%) | 1321 (61%) |
| Grade B | 633 431 (26%) | 39 804 (27%) | 341 (16%) |
| Grade C | 728 374 (30%) | 90 497 (60%) | 508 (23%) |
| Grade Da | 716 809 (29%) | – | – |
Cα–Cα and Cβ–Cβ distances were compatible but sulphur could not be fixed geometrically.