4N1B
STRUCTURE OF KEAP1 KELCH DOMAIN WITH(1S,2R)-2-[(1S)-1-[(1-oxo-2,3-dihydro-1H-isoindol-2-Yl)methyl]-1,2,3,4-tetrahydroisoquinoline-2-Carbonyl]cyclohexane-1-carboxylic acid
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 296 | 1 UL OF PROTEIN AT 12 MG/ML IN 20 MM TRIS-HCL PH 7.5, 5 MM DTT, 5 MM COMPOUND 1 + 2 UL OF 2.15 M SODIUM ACETATE , VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 296K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.21 | 61.63 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 76.18 | α = 90 |
b = 127.13 | β = 90 |
c = 131.11 | γ = 90 |
Symmetry | |
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Space Group | P 21 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 | PIXEL | DECTRIS PILATUS 6M | mIRROR | 2012-10-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I24 | 0.96861 | Diamond | I24 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.55 | 32.68 | 99.9 | 42242 | 42242 | 2 | 2 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.55 | 99.9 |
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 | 2.55 | 32.67 | 42242 | 38651 | 2035 | 96.25 | 0.24573 | 0.24573 | 0.24358 | 0.28692 | RANDOM | 48.479 |
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] | |
-0.17 | 0.02 | 0.15 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.806 |
r_dihedral_angle_4_deg | 18.323 |
r_dihedral_angle_3_deg | 14.896 |
r_dihedral_angle_1_deg | 5.993 |
r_long_range_B_other | 4.37 |
r_long_range_B_refined | 4.362 |
r_mcangle_it | 2.845 |
r_mcangle_other | 2.845 |
r_scangle_other | 2.316 |
r_mcbond_it | 1.576 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6593 |
Nucleic Acid Atoms | |
Solvent Atoms | 28 |
Heterogen Atoms | 104 |
Software
Software | |
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Software Name | Purpose |
GDA | data collection |
PHASER | phasing |
REFMAC | refinement |
XDS | data reduction |
xia2 | data scaling |