1D8G
ULTRAHIGH RESOLUTION CRYSTAL STRUCTURE OF B-DNA DECAMER D(CCAGTACTGG)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 277 | MPD, CALCIUM ACETATE, TRIS(HYDROXYAMINOMETHANE) BUFFER, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 277.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.04 | 39.81 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 31.735 | α = 90 |
b = 25.703 | β = 116.9 |
c = 34.215 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | IMAGE PLATE | RIGAKU RAXIS IV | M | SINGLE WAVELENGTH | |||||||
2 | 1 | x-ray | 100 | IMAGE PLATE | MARRESEARCH | DOUBLE FOCUSSING MIRRORS | M | SINGLE WAVELENGTH | ||||||
3 | 1 | x-ray | 100 | IMAGE PLATE | MARRESEARCH | DOUBLE FOCUSSING MIRRORS | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | |||
2 | SYNCHROTRON | SSRL BEAMLINE BL9-1 | SSRL | BL9-1 | |
3 | SYNCHROTRON | SSRL BEAMLINE BL9-1 | SSRL | BL9-1 |
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 | ||||||||
1,2,3 | 0.74 | 16 | 90 | 0.056 | 26.7 | 4.3 | 29991 | 29991 |
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) | |||||||||||
1,2,3 | 0.74 | 0.75 | 71.1 | 0.239 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
X-RAY DIFFRACTION | THROUGHOUT | 0.74 | 16 | 29991 | 29991 | 1783 | 90 | 0.105 | 0.105 | 0.13 | 0.131 | 0.15 | RANDOM |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 202 |
Solvent Atoms | 119 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
AMoRE | phasing |
SHELXL-97 | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |