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Widths and depths of the grooves of A-form, B-form and 4′-thioDNA
| A-form (Å) | B-form (Å) | 4′-thioDNA (Å) | |
|---|---|---|---|
| Major groove | |||
| Width | Narrow (3.4) | Wide (11.5) | Narrow (3.5) |
| Depth | Deep (10.0) | Intermediate (3.3) | Deep (9.7) |
| Minor groove | |||
| Width | Wide (10.0) | Narrow (5.0) | Wide (8.0) |
| Depth | Shallow (1.0) | Intermediate (4.5) | Shallow (1.1) |
