6Q5K
Crystal structure of a CC-Hex mutant that forms an antiparallel four-helix coiled coil CC-Hex*-L24K
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 297 | 0.05 M Tris, 0.75 M ammonium sulfate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.89 | 34.86 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 69.28 | α = 90 |
b = 69.28 | β = 90 |
c = 35.441 | γ = 120 |
Symmetry | |
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Space Group | P 61 2 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 | 80 | PIXEL | DECTRIS PILATUS 2M | 2013-04-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04-1 | 0.92 | Diamond | I04-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.65 | 24.78 | 96.5 | 0.071 | 0.073 | 0.018 | 17.6 | 20.4 | 6134 | 14.9 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.65 | 1.68 | 100 | 1.356 | 1.393 | 0.316 | 0.682 | 2.7 | 18.8 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | 1.65 | 24.78 | 5821 | 313 | 95.77 | 0.17395 | 0.17174 | 0.21834 | RANDOM | 32.017 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.4 | 0.2 | 0.4 | -1.28 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.145 |
r_dihedral_angle_3_deg | 16.39 |
r_long_range_B_refined | 6.417 |
r_long_range_B_other | 6.411 |
r_dihedral_angle_1_deg | 4.409 |
r_scangle_other | 3.73 |
r_mcangle_it | 3.384 |
r_mcangle_other | 3.383 |
r_scbond_it | 2.454 |
r_scbond_other | 2.45 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 400 |
Nucleic Acid Atoms | |
Solvent Atoms | 32 |
Heterogen Atoms | 13 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
Aimless | data scaling |
PHASER | phasing |