2WNA
Crystal structure of the GNA 3'-G(Br)CGCGC-2'
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 5.5 | DROP: 2 MM G(BR)CGCGC, 10% 2-METHYL-2,4-PENTANEDIOL, 40 MM SODIUM CACODYLATE (PH 5.5), 20 MM COBALT HEXAMINE, 80 MM SODIUM CHLORIDE, 20 MM MAGNESIUM CHLORIDE RESERVOIR: 35 % MPD |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.41 | 12.73 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 20.42 | α = 90 |
b = 42 | β = 90 |
c = 28.67 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315r | MIRRORS | 2008-11-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | ESRF | ID29 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 0.96 | 21 | 98.2 | 0.06 | 17.7 | 3.99 | 30224 | -3 | 4.6 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 0.96 | 1.02 | 0.9 | 0.13 | 7.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | NONE | 0.97 | 8 | 7025 | 533 | 97.93 | 0.10648 | 0.10503 | 0.12726 | RANDOM | 6.688 |
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] | |
0.51 | 0.07 | -0.57 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_sphericity_free | 10.469 |
r_sphericity_bonded | 5.229 |
r_angle_refined_deg | 3.53 |
r_scangle_it | 2.798 |
r_scbond_it | 2.224 |
r_rigid_bond_restr | 1.253 |
r_angle_other_deg | 0.698 |
r_xyhbond_nbd_refined | 0.45 |
r_symmetry_vdw_other | 0.449 |
r_symmetry_hbond_refined | 0.321 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 103 |
Solvent Atoms | 58 |
Heterogen Atoms | 15 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |
SHELXE | phasing |