Table 3. Comparison of αCTD models.
| Structure | αCTD | CAP–αCTD–DNA | αCTDM |
|---|---|---|---|
| Reference | Jeon et al. (1995 ▶) | Benoff et al. (2002 ▶) | This work |
| αCTD model residue range | 249–329 | 250–321 | 246–329 |
| Method | NMR | X-ray | X-ray |
| PDB code (chain ID) | 1coo (A) | 1lb2 (B) | 3k4g (A) |
| Cα r.m.s.d.† (Å) | 2.93 | 0.82 | — |
| Ramachandran favored‡ (%) | 78.5 | 75.7 | 100.0 |
| Ramachandran outliers‡ (%) | 1.3 | 1.4 | 0.0 |
| Poor side-chain rotamers‡ (%) | 33.8 | 14.1 | 0.9 |
†
Root-mean-square deviations of common Cα atoms from αCTDM chain A.
‡
Statistics calculated using MolProbity (Chen et al., 2010 ▶).