109D
VARIABILITY IN DNA MINOR GROOVE WIDTH RECOGNISED BY LIGAND BINDING: THE CRYSTAL STRUCTURE OF A BIS-BENZIMIDAZOLE COMPOUND BOUND TO THE DNA DUPLEX D(CGCGAATTCGCG)2
X-RAY DIFFRACTION
Crystallization
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.23 | 44.88 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 24.59 | α = 90 |
b = 40.44 | β = 90 |
c = 65.76 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | AREA DETECTOR | XENTRONICS |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ENRAF-NONIUS |
Data Collection
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | 2 | 8 | 2 | 4016 | 0.197 | 0.197 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
x_angle_deg | 4.3 |
x_bond_d | 0.02 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na | |
x_angle_deg_prot | |
x_dihedral_angle_d |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 486 |
Solvent Atoms | 84 |
Heterogen Atoms | 37 |
Software
Software | |
---|---|
Software Name | Purpose |
X-PLOR | refinement |