454D
INTERCALATION AND MAJOR GROOVE RECOGNITION IN THE 1.2 A RESOLUTION CRYSTAL STRUCTURE OF RH[ME2TRIEN]PHI BOUND TO 5'-G(5IU)TGCAAC-3'
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 277 | MPD, CALCIUM ACETATE, SODIUM CACODYLATE, PH 7.0, VAPOR DIFFUSION, SITTING DROP at 277 K, temperature 277.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.08 | 40.79 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 94.74 | α = 90 |
b = 23.98 | β = 93.24 |
c = 96.52 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 103 | IMAGE PLATE | RIGAKU RAXIS IV | M | SINGLE WAVELENGTH | |||||||
2 | 1 | x-ray | 103 | IMAGE PLATE | MARRESEARCH | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | |||
2 | SYNCHROTRON | SSRL BEAMLINE BL9-1 | SSRL | BL9-1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.2 | 17 | 92.5 | 0.068 | 25 | 2.9 | 122830 | 122830 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.3 | 88.2 | 0.278 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | SIRAS | THROUGHOUT | INITIAL MODEL OBTAINED BY SIRAS WITH 10 IODINE POSITIONS | 1.2 | 17 | 122830 | 122830 | 6141 | 92.5 | 0.17 | 0.17 | 0.21 | RANDOM |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 1658 |
Solvent Atoms | 374 |
Heterogen Atoms | 145 |
Software
Software | |
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Software Name | Purpose |
SOLVE | phasing |
SHELXL-97 | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |