1KEO
TWISTS AND TURNS OF THE CD-MPR: LIGAND-BOUND VERSUS LIGAND-FREE RECEPTOR
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 292 | 25% PEG 5000 monomethyl ether, 0.2M ammonium acetate, 0.1M cacodoylate, 150 mM Nacl, 50 mM imidazole (pH=6.5), 10 mM Manganese chloride, 5 mM beta-glycerophosphate, VAPOR DIFFUSION, SITTING DROP, temperature 292K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.08 | 60.07 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 108.772 | α = 90 |
b = 108.772 | β = 90 |
c = 72.67 | γ = 90 |
Symmetry | |
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Space Group | I 4 |
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 | 277 | IMAGE PLATE | RIGAKU RAXIS IIC | 1998-01-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 | 1.5418 |
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 | 2.2 | 40 | 94.9 | 0.087 | 6.2 | 18385 | 18385 | 10.7 |
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 | 2.2 | 2.24 | 70.5 | 0.49 | 138 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.2 | 30 | 19965 | 18385 | 1580 | 92.2 | 0.215 | 0.2483 | RANDOM | 43.2 |
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] | |
1.61 | 1.61 | -3.22 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 27.7 |
c_scangle_it | 7.25 |
c_scbond_it | 5.31 |
c_mcangle_it | 4.59 |
c_mcbond_it | 2.99 |
c_angle_deg | 1.5 |
c_improper_angle_d | 0.8 |
c_bond_d | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2404 |
Nucleic Acid Atoms | |
Solvent Atoms | 75 |
Heterogen Atoms | 29 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
CNS | refinement |