TABLE 4.
Spin-spin (R2) and rotating-frame spin-lattice (R1ρ) relaxation rates and correlation time values (τr, τs) obtained from the Redfield-Slichter model fitted to R1 data below 240−250 K
| MAP2c | CSD1* | ERD10 | BSA | ||
|---|---|---|---|---|---|
| ω0/2π [MHz] | 44.14 | 44.14 | 82.57 | 44.14 | |
| T(R1 = R1max) [K] | 229 ± 1 | 241 ± 1 | 243 ± 1 | 237 ± 1 | |
| R1max [s−1] | 28 ± 1 | 50 ± 2 | 57 ± 3 | 19 ± 1 | |
| R1ρ [103 s−1] | 0.17 ± 0.03 | 0.8 ± 0.1 | 0.11 ± 0.02 | 0.7 ± 0.1 | 0.22 ± 0.03 |
| R2 [103 s−1] | 0.34 ± 0.03 | 1.5 ± 0.2 | 0.58 ± 0.06 | ≈ R1ρ | 0.60 ± 0.06 |
| R2/R1 | 12 ± 2 | 53 ± 8 | 12 ± 2 | 7 ± 2 | 32 ± 5 |
| τr [10−9 s] | 2.2204 ± 0.0004 | 2.2204 ± 0.0004 | 1.1870 ± 0.0002 | 2.2204 ± 0.0004 | |
 [10−8 T2] |
11.5 ± 0.6 | 20 ± 1 | 44 ± 2 | 7.7 ± 0.4 | |
| τs [10−7 s] | 9 ± 2 | 7 ± 1 | 30 ± 3 | — | 11 ± 1 |
 [10−8 T2] |
0.47 ± 0.08 | 3.0 ± 0.5 | 0.24 ± 0.03 | — | 0.8 ± 0.1 |
*
Rapid R1 branch.