1F27
CRYSTAL STRUCTURE OF A BIOTIN-BINDING RNA PSEUDOKNOT
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 301 | MPD, POTASIUM HEPES, MGCL2, KCL, BIOTIN, SPERMINE, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 301K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.21 | 44.43 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 47.59 | α = 90 |
b = 30.96 | β = 111.88 |
c = 62.11 | 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 | CCD | ADSC QUANTUM 4 | 1998-09-20 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | CCD | ADSC QUANTUM 4 | 1999-03-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.2 | 0.97186, 0.97954, 0.97969, 0.98743 | ALS | 5.0.2 |
2 | SYNCHROTRON | ALS BEAMLINE 5.0.2 | ALS | 5.0.2 |
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 | 1.3 | 18 | 92 | 0.048 | 9 | 6.3 | 20852 | 2 | 1 | 12.2 |
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) | |||||||||||
1.3 | 1.38 | 66.4 | 0.38 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | 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 | THROUGHOUT | 1.3 | 17.18 | 1 | 2 | 20852 | 1797 | 91.7 | 0.199 | 0.199 | 0.238 | 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 | 634 |
Solvent Atoms | 184 |
Heterogen Atoms | 22 |
Software
Software | |
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Software Name | Purpose |
SHARP | phasing |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |