TABLE 2.
Data collection and refinement statistics
Crystals | E71G/C157RSF-tRNAGly-AMPPNP | E71GFL |
---|---|---|
Data collection | ||
Space group | P21212 | P43212 |
Cell dimensions (Å) | ||
a, b, c (Å) | 134.605, 88.446, 81.206 | 91.239, 91.239, 246.614 |
α, β, γ (°) | 90, 90, 90 | 90, 90, 90 |
Resolution (Å) | 50-2.90 (3.00-2.90)a | 50-2.75 (2.85-2.75) |
Rmergeb | 0.122 (0.495) | 0.17 (0.966) |
I/σ(I) | 13.77 (5.47) | 11.7 (2.53) |
Completeness (%) | 99.7 (100.0) | 99.30 (99.0) |
Redundancy | 5.8 (6.3) | 7.1 (7.0) |
Refinement | ||
Resolution (Å) | 36.90-2.90 (3.01-2.90) | 34.67-2.75 (2.84-2.75) |
No. reflections | 22,329 | 28,038 |
Rworkc/Rfreed | 0.214/0.265 | 0.210/0.255 |
No. atoms | ||
Protein | 4232 | 4650 |
tRNA | 1476 | |
Ligand | 23 (AMP) | 6 (Glycerol) |
Water molecules | 33 | 100 |
B-factors (Å2) | ||
Protein | 60.0 | 56.77 |
tRNA | 74.1 | |
Ligand | 46.5 (AMP) | |
Water molecules | 49.2 | 49.4 |
RMSD | ||
Bond lengths (Å) | 0.012 | 0.003 |
Bond angles (°) | 1.75 | 0.785 |
a The values in parentheses are for the highest resolution shell.
b Rmerge = Σ |(I − <I>)|/σ(I), where I is the observed intensity.
c Rwork = Σhkl||Fo| − |Fc||/Σhkl |Fo|, calculated from the working data set.
d Rfree is calculated from 5.0% of data randomly chosen and not included in refinement.