Table 1. Data collection and refinement statistics.
Apo 1 | Apo 2 | DNA complex | Ara-bound | |
---|---|---|---|---|
Wavelength (Å) | 0.9794 | 0.9793 | 0.9790 | 0.9792 |
Spacegroup | R3 | I213 | P23 | P21 |
Cell parameters (Å, °) | a = b = 176.4 c = 118.4 | a = b = c = 123.7 | a = b = c = 163.0 | a = 59.1 b = 49.4 c = 90.2 β = 107.1 |
Resolution range (Å) | 50–2.35 (2.39–2.35)a | 50–2.56 (2.58–2.56)a | 50–3.05 (3.08–3.05)a | 50–1.95 (1.98–1.95)a |
Unique reflections | 52,069 | 10,038 | 27,060 | 33,755 |
Multiplicity | 3.7 (3.4)a | 10.8 (11.0)a | 5.2 (5.2)a | 3.5 (2.9)a |
Completeness (%) | 91.4 (43.3)a | 97.5 (78.4)a | 97.9 (86.9)a | 92.0 (45.9)a |
Mean I/sigma(I) | 10.9 (3. 7)a | 18.9 (4.5)a | 12.1 (3.1)a | 20.0 (5.6)a |
Rmerge | 0.117 (0.831)a | 0.114 (0.992)a | 0.110 (0.851)a | 0.041 (0.345)a |
Rpim | 0.084 (0.511)a | 0.036 (0.311)a | 0.051(0.484)a | 0.039 (0.243)a |
CC*a | 0.861 | 0.940 | 0.889 | 0.967 |
CC1/2a | 0.588 | 0.792 | 0.653 | 0.877 |
R -work | 0.195 (0.250)a | 0.183 (0.258)a | 0.200 (0.308)a | 0.164 (0.190)a |
R-free | 0.233 (0.298)a | 0.222 (0.323)a | 0.230 (0.362)a | 0.220 (0.247)a |
Number of atoms | 7488 | 1837 | 4762 | 3902 |
macromolecules | 7213 | 1802 | 4726 | 3600 |
ligands | 16 | 8 | 20 | 31 |
water | 259 | 27 | 16 | 271 |
r.m.s.d. | ||||
bond length | 0.010 | 0.009 | 0.010 | 0.009 |
angles | 1.25 | 1.34 | 1.40 | 1.33 |
Ramachandran | ||||
favored (%) | 99 | 98 | 96 | 99 |
outliers (%) | 0 | 0.45 | 0.22 | 0.23 |
Molprobity clashscore | 1.67 | 1.41 | 5.75 | 1.56 |
Average B-factor | 39.2 | 35.6 | 65.4 | 33.5 |
macromolecules | 39.5 | 35.8 | 65.5 | 33.4 |
ligand | 28.6 | 37.2 | 67.6 | 36.4 |
solvent | 31.3 | 24.7 | 47.7 | 34.5 |
aValues in the highest resolution shell.