Table 2.
Statistics of uncommon features in CASP14 template-free high-resolution structures
| Total number in crystal structures | 46 | |
|---|---|---|
| Prolines | Number of cis Pro in crystal structures | 4 |
| Cis Pro present in AF2 models | 3 | |
| Cis Pro not predicted, affected by crystal contacts | 1 | |
| p-helices | Crystal structures | 1 |
| AF2 models | 1 | |
| 310-helices (three-residues) | Crystal structures | 13 |
| AF2 models | 11 | |
| Predicted but contains four residues | 1 | |
| Not predicted, affected by crystal contacts | 1 | |
| 310-helices (six-residues) | Crystal structures | 1 |
| AF2 models | 1 | |
| Small 3D structure motifs | Total number in crystal structures | 18 |
| Present in AF2 structures | 13 | |
| Not in AF2 structures, affected by crystal contacts/environment | 5 | |
| Small 3D structure motifs | Found in AF2 structures, not observed experimentally, crystal contacts | 1 |