Table 8.
Combined RMS differences between calculated and experimental chemical shifts for ubiquitin (1UBQ), protein GB3 (1MJC) and cold shock protein A (1P7E) with the C36 additive and Drude force fields. Number of each nuclei used in the RMS difference calculations is listed.
Nucleus | # of Nuclei | RMSD (ppm) | |
---|---|---|---|
C36 | Drude | ||
N | 192 | 2.50 | 3.21 |
Cα | 201 | 0.76 | 1.03 |
Cβ | 180 | 1.01 | 1.21 |
C′ | 141 | 0.95 | 0.98 |
H | 193 | 0.41 | 0.47 |
Hα | 201 | 0.23 | 0.30 |
all C | 522 | 0.90 | 1.08 |
all H | 394 | 0.33 | 0.39 |