Table 1.
Dynamical features of the TEM β-lactamase: root mean-square fluctuations and order parameters S2 show less flexible residues in secondary structure elements and flexible residues in loops and turns
| MMDwat | MMDnowat | Extendedwat | Extendednowat | SPC/Ewat | SPC/Enowat | |
|---|---|---|---|---|---|---|
| RMSFs in Å | ||||||
| All residues | 0.51 ± 0.14 | 0.53 ± 0.14 | 0.76 ± 0.33 | 0.71 ± 0.35 | 0.50 ± 0.16 | 0.48 ± 0.14 |
| α-Helices | 0.47 ± 0.10 | 0.48 ± 0.10 | 0.65 ± 0.18 | 0.63 ± 0.23 | 0.44 ± 0.10 | 0.44 ± 0.09 |
| β-Sheets | 0.39 ± 0.06 | 0.41 ± 0.06 | 0.54 ± 0.12 | 0.48 ± 0.09 | 0.39 ± 0.06 | 0.39 ± 0.05 |
| Loops | 0.59 ± 0.15 | 0.61 ± 0.14 | 0.95 ± 0.38 | 0.86 ± 0.43 | 0.58 ± 0.18 | 0.55 ± 0.15 |
| Ω-Loop rigid part | 0.43 ± 0.05 | 0.45 ± 0.05 | 0.63 ± 0.30 | 0.56 ± 0.49 | 0.39 ± 0.12 | 0.40 ± 0.12 |
| Ω-Loop flexible part | 0.69 ± 0.15 | 0.74 ± 0.16 | 0.99 ± 0.02 | 1.28 ± 0.04 | 0.59 ± 0.02 | 0.58 ± 0.03 |
| Order parameter S2 | ||||||
| α-Helices | 0.90 ± 0.02 | 0.90 ± 0.02 | 0.90 ± 0.02 | 0.90 ± 0.02 | 0.91 ± 0.02 | 0.90 ± 0.02 |
| β-Sheets | 0.90 ± 0.02 | 0.90 ± 0.02 | 0.90 ± 0.02 | 0.90 ± 0.02 | 0.91 ± 0.02 | 0.90 ± 0.04 |
| Loops | 0.86 ± 0.05 | 0.86 ± 0.04 | 0.85 ± 0.05 | 0.85 ± 0.05 | 0.88 ± 0.03 | 0.88 ± 0.04 |
| Ω-Loop rigid part | 0.90 ± 0.02 | 0.90 ± 0.01 | 0.90 ± 0.02 | 0.90 ± 0.02 | 0.90 ± 0.02 | 0.90 ± 0.02 |
| Ω-Loop flexible part | n.d. | 0.83 | 0.72 ± 0.05 | n.d. | 0.85 ± 0.02 | 0.84 ± 0.02 |
MMDwat and MMDnowat values represent the averages over 10 simulations.