3NF7
Structural basis for a new mechanism of inhibition of HIV integrase identified by fragment screening and structure based design
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.3 | 293 | 1.7M ammonium sulfate, 0.1M sodium acetate pH 5.3, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.45 | 49.83 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 71.333 | α = 90 |
b = 71.333 | β = 90 |
c = 66.915 | γ = 120 |
Symmetry | |
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Space Group | P 31 |
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 | CCD | ADSC QUANTUM 315 | 2009-11-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX2 | 0.95369 | Australian Synchrotron | MX2 |
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 | 1.8 | 66.9 | 100 | 0.056 | 5.6 | 35320 | 2.7 | 23.9 |
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 | 1.8 | 1.9 | 100 | 0.269 | 5.9 | 5.7 | 5175 |
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 | 1.8 | 35.67 | 33527 | 33527 | 1768 | 99.96 | 0.165 | 0.16461 | 0.16235 | 0.20748 | RANDOM | 26.172 |
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] | |
0.07 | 0.03 | 0.07 | -0.1 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.562 |
r_dihedral_angle_3_deg | 15.244 |
r_dihedral_angle_4_deg | 12.807 |
r_dihedral_angle_1_deg | 5.902 |
r_scangle_it | 5.425 |
r_scbond_it | 3.698 |
r_mcangle_it | 2.746 |
r_angle_refined_deg | 2.402 |
r_mcbond_it | 1.644 |
r_chiral_restr | 0.202 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2318 |
Nucleic Acid Atoms | |
Solvent Atoms | 169 |
Heterogen Atoms | 134 |
Software
Software | |
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Software Name | Purpose |
Blu-Ice | data collection |
PHASER | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |