3ONW
Structure of a G-alpha-i1 mutant with enhanced affinity for the RGS14 GoLoco motif.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 291 | Hanging drops were a 1:1 mixture of protein-peptide complex in buffer (10 mM Tris pH 7.5, 1 mM magnesium chloride, 5% (w/v) glycerol, 5 mM DTT) and well solution (1.9 M ammonium sulfate, 100 mM sodium acetate pH 5.0, 200 mM magnesium chloride, 10% (w/v) glycerol), VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.37 | 63.53 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 70.392 | α = 90 |
b = 83.679 | β = 90 |
c = 190.148 | γ = 90 |
Symmetry | |
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Space Group | P 2 2 21 |
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 | MAR scanner 300 mm plate | 2009-11-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-BM | 1.000 | APS | 22-BM |
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 | 28.88 | 98.8 | 0.065 | 27.3 | 6 | 45328 | 45328 | -3 | -3 | 59.4 |
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) | |||||||||||
2.38 | 2.4 | 100 | 0.761 | 2.2 | 6 |
Refinement
Statistics | |||||||||||||||||||
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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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2OM2 chain A | 2.38 | 95.07 | 43755 | 43755 | 1528 | 98.55 | 0.22953 | 0.22825 | 0.26539 | RANDOM | 62.254 |
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] | |
-0.02 | -0.33 | 0.35 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.925 |
r_dihedral_angle_3_deg | 14.856 |
r_dihedral_angle_4_deg | 13.807 |
r_dihedral_angle_1_deg | 5.15 |
r_scangle_it | 2.086 |
r_scbond_it | 1.303 |
r_angle_refined_deg | 1.086 |
r_mcangle_it | 0.897 |
r_mcbond_it | 0.463 |
r_chiral_restr | 0.074 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5643 |
Nucleic Acid Atoms | |
Solvent Atoms | 97 |
Heterogen Atoms | 71 |
Software
Software | |
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Software Name | Purpose |
PHASER | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |