1G17
CRYSTAL STRUCTURE OF SEC4-GUANOSINE-5'-(BETA,GAMMA)-IMIDOTRIPHOSPHATE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | vapor diffusion, hanging drop, with microseeding | 7.7 | 294 | Polyethylene glycol 4000, 25% MgCl2, 200 mM Ethylene glycol, 30% Sodium HEPES, 100 mM, pH 7.7, vapor diffusion, hanging drop, with microseeding, temperature 294K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.32 | 47.1 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 84.504 | α = 90 |
b = 84.504 | β = 90 |
c = 86.469 | γ = 120 |
Symmetry | |
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Space Group | P 65 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1999-02-13 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | 100 | IMAGE PLATE | RIGAKU RAXIS IV | 1999-03-12 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.1 | 0.9802,0.9800,0.9537 | ALS | 5.0.1 |
2 | SYNCHROTRON | NSLS BEAMLINE X4A | NSLS | X4A |
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 | 38 | 99.7 | 0.091 | 13.2 | 3.72 | 23567 | 23496 | 15.9 |
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) | |||||||||||
2 | 2.07 | 99.4 | 0.624 | 3.48 | 2322 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | THROUGHOUT | 2 | 33.7 | 46649 | 43560 | 4205 | 93.8 | 0.264 | 0.264 | 0.264 | 0.292 | RANDOM | 34.1 |
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] | |
-3.76 | 0.87 | -3.76 | 7.52 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 22.6 |
c_scangle_it | 2.65 |
c_mcangle_it | 2.23 |
c_scbond_it | 1.77 |
c_mcbond_it | 1.35 |
c_angle_deg | 1.2 |
c_improper_angle_d | 0.75 |
c_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2662 |
Nucleic Acid Atoms | |
Solvent Atoms | 116 |
Heterogen Atoms | 66 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | refinement |
CNS | phasing |