2OBZ
Crystal structure of the The brominated Z-DNA duplex d(CGCG[BrU]G)
X-RAY DIFFRACTION
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.63 | 24.58 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 17.339 | α = 90 |
| b = 32.074 | β = 90 |
| c = 44.341 | γ = 90 |
| Symmetry | |
|---|---|
| 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 | 100 | 2000-03-01 | M | SINGLE WAVELENGTH | ||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.9199 | APS | 19-ID |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||||||
| 1 | 1.1 | 26 | 96.164 | 10059 | 9673 | 1.5 | |||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1.1 | |||||||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
| X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.1 | 25.98 | 9673 | 482 | 96.16 | 0.20227 | 0.20172 | 0.21332 | RANDOM | 8.1 | |||||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| 0.53 | 0.32 | -0.85 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_sphericity_bonded | 2.993 |
| r_scangle_it | 1.849 |
| r_scbond_it | 1.786 |
| r_angle_refined_deg | 1.686 |
| r_angle_other_deg | 1.177 |
| r_rigid_bond_restr | 1.05 |
| r_nbtor_refined | 0.276 |
| r_nbd_other | 0.27 |
| r_symmetry_vdw_other | 0.223 |
| r_nbd_refined | 0.131 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | |
| Nucleic Acid Atoms | 242 |
| Solvent Atoms | 54 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| ADSC | data collection |
| MOSFLM | data reduction |
| SCALA | data scaling |
| SHARP | phasing |
