4CJS
Interrogating HIV integrase for compounds that bind- a SAMPL challenge
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3ZSQ | PDB ENTRY 3ZSQ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 5.5 | THE PROTEIN WAS CONCENTRATED TO 5.5 MG/ML IN 40 MM TRIS PH 8.0, 250 MM NACL, 30 MM MGCL2, 5 MM DTT AND SET UP IN A 1:1 RATIO WITH 1.6 TO 2.0 M AMMONIUM SULFATE, 100 MM SODIUM ACETATE BUFFER PH 5.0 TO 5.5. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.95 | 58 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 70.907 | α = 90 |
b = 70.907 | β = 90 |
c = 67.194 | 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 CCD | 2010-04-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 | Australian Synchrotron | MX1 |
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 | 61.4 | 98.3 | 0.05 | 19.5 | 5.2 | 34453 |
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) | |||||||||||
1 | 1.8 | 1.9 | 90.8 | 0.34 | 3.1 | 3.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | PDB ENTRY 3ZSQ | 1.8 | 35.45 | 32700 | 1731 | 98.27 | 0.16786 | 0.16664 | 0.19048 | RANDOM | 21.637 |
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] | |
0.17 | 0.17 | 0.17 | -0.56 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.239 |
r_dihedral_angle_4_deg | 15.433 |
r_dihedral_angle_3_deg | 14.147 |
r_dihedral_angle_1_deg | 5.011 |
r_mcangle_it | 1.849 |
r_scbond_it | 1.636 |
r_angle_refined_deg | 1.121 |
r_mcbond_it | 1.092 |
r_mcbond_other | 1.09 |
r_angle_other_deg | 0.763 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2300 |
Nucleic Acid Atoms | |
Solvent Atoms | 170 |
Heterogen Atoms | 124 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |