2B4J
Structural basis for the recognition between HIV-1 integrase and LEDGF/p75
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.25 | 295 | PEG-3350, Na2HPO4, NaH2PO4, KH2PO4, NACL, HEPES, pH 6.25, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.12 | 41.87 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 122.421 | α = 90 |
b = 60.593 | β = 109.06 |
c = 71.126 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 4 | 2005-03-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X26C | 1.00 | NSLS | X26C |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.02 | 50 | 99.2 | 0.072 | 18.9 | 4.8 | 32648 | 32136 | 3.1 | 3.1 | 35.2 |
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 | 2.02 | 2.09 | 99.2 | 99.2 | 0.47 | 3.1 | 4.5 |
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 (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB Entry: 1BIS (Integrase), 1Z9E (LEDGF) | 2.02 | 20 | 30406 | 32113 | 1627 | 99.19 | 0.183 | 0.183 | 0.181 | 0.226 | RANDOM | 37.386 |
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] | |
0.03 | 1.3 | -0.38 | 1.2 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.69 |
r_dihedral_angle_4_deg | 19.538 |
r_dihedral_angle_3_deg | 15.922 |
r_dihedral_angle_1_deg | 5.524 |
r_scangle_it | 4.361 |
r_scbond_it | 2.778 |
r_angle_refined_deg | 1.602 |
r_mcangle_it | 1.6 |
r_mcbond_it | 0.981 |
r_nbtor_refined | 0.301 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3503 |
Nucleic Acid Atoms | |
Solvent Atoms | 220 |
Heterogen Atoms | 34 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
CBASS | data collection |
CCP4 | phasing |