3O6H
Ligand-binding domain of GluA2 (flip) ionotropic glutamate receptor in complex with an allosteric modulator
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4 | 277 | 18% PEG 4000, 100mM Sodium Cacodylate pH 4.0, 50mM Lithium Sulphate, 5% Glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.27 | 45.7 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 63.89 | ¦Á = 90 |
b = 87.45 | ¦Â = 90 |
c = 47.32 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
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++ | 2006-09-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.54178 |
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 | 43.73 | 94.7 | 0.086 | 9.8 | 5.17 | 15217 | 15217 | 2 | 2 | 34.7 |
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) | |||||||||||
2.1 | 2.18 | 91.4 | 0.332 | 4 | 5.28 | 1441 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2.1 | 43.73 | 14467 | 14467 | 750 | 94.64 | 0.21943 | 0.21943 | 0.21714 | 0.26295 | RANDOM | 23.599 |
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] | |
-0.81 | 1.69 | -0.88 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.651 |
r_dihedral_angle_4_deg | 19.169 |
r_dihedral_angle_3_deg | 14.748 |
r_dihedral_angle_1_deg | 5.85 |
r_scangle_it | 2.955 |
r_scbond_it | 2.233 |
r_angle_refined_deg | 1.366 |
r_mcbond_it | 1.333 |
r_mcangle_it | 1.201 |
r_angle_other_deg | 1.167 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2033 |
Nucleic Acid Atoms | |
Solvent Atoms | 80 |
Heterogen Atoms | 66 |
Software
Software | |
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Software Name | Purpose |
CrystalClear | data collection |
AMoRE | phasing |
REFMAC | refinement |
CrystalClear | data reduction |
CrystalClear | data scaling |