Table 1. Data collection and refinement statistics for the PKAc–phospholamban (PLN) crystals.
Crystal | PKAc-WT PLN | PKAc-A11E PLN | PKAc-R9C PLN |
---|---|---|---|
λ for data collection (Å) | 0.9795 | 0.9795 | 0.9795 |
Data collection | |||
Space group | P 2 21 21 | P 1 21 1 | C 2 2 21 |
Cell dimension (Å) | |||
a, b, c (Å) | 52.57, 70.49, 99.03 | 49.56, 69.37, 56.24 | 50.91, 104.88, 168.10 |
α, β, γ (°) | 90.00, 90.00, 90.00 | 90.00, 101.97, 90.00 | 90.00, 90.00, 90.00 |
Resolution | 42.14–2.16 | 33.12–2.80 | 44.19–3.43 |
Rmerge | 0.194 (0.907) | 0.139 (0.527) | 0.165 (0.738) |
Average I/σ(I) | 9.9 (1.8) | 8.5 (1.8) | 10.3 (2.5) |
Completeness (%) | 91.42 (68.22) | 99.11 (94.08) | 96.35 (95.02) |
Redundancy | 6.9 (6.1) | 3.3 (3.1) | 5.4 (5.7) |
Refinement | |||
Resolution (Å) | 42.14–2.16 | 33.12–2.80 | 44.19–3.43 |
Highest resolution shells (Å) | 2.24 (2.16) | 2.78 (2.83) | 3.56 (3.43) |
No. of reflections | 18,585 | 9242 | 6088 |
Average B-factor | 30.88 | 37.93 | 95.81 |
Protein | 30.52 | 37.97 | 95.92 |
Ligands | 24.40 | 34.94 | 86.85 |
Water | 36.01 | 37.30 | – |
R work | 0.179 (0.230) | 0.203 (0.294) | 0.257 (0.339) |
R free | 0.227 (0.290) | 0.252 (0.415) | 0.317 (0.360) |
RMSD length (Å) | 0.008 | 0.002 | 0.001 |
RMSD angle (°) | 1.20 | 0.490 | 0.370 |
No. of atoms | |||
Protein | 2780 | 2672 | 2775 |
Ligands | 33 | 33 | 33 |
Water | 238 | 23 | 0 |
Ramachandran plot (%) | |||
Most favored | 95.85 | 95.18 | 94.07 |
Additionally allowed | 4.15 | 4.82 | 5.64 |