Crystal structures of novel allosteric peptide inhibitors of HIV integrase in the LEDGF binding site
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 293 | 40mM Tris pH 8.0, 250mM NaCl, 30mM MgCl2, 5mM DTT, 1.6-2.0M ammonium sulfate, 100mM sodium acetate buffer pH 5.0-5.5, vapor diffusion, sitting drop, temperature 293K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.32 | 46.87 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 70.768 | α = 90 | 
| b = 70.768 | β = 90 | 
| c = 67.279 | γ = 120 | 
| Symmetry | |
|---|---|
| Space Group | P 31 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2009-12-14 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX2 | 0.96 | Australian Synchrotron | MX2 | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1.88 | 67.3 | 30687 | 30687 | |||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.88 | 61.29 | 30664 | 1547 | 99.98 | 0.1603 | 0.1584 | 0.157 | 0.1966 | 0.1951 | RANDOM | 28.2462 | |||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
| 0.38 | 0.19 | 0.38 | -0.57 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 30.538 | 
| r_dihedral_angle_3_deg | 15.308 | 
| r_dihedral_angle_4_deg | 11.143 | 
| r_dihedral_angle_1_deg | 5.922 | 
| r_angle_refined_deg | 2.184 | 
| r_chiral_restr | 0.192 | 
| r_bond_refined_d | 0.028 | 
| r_gen_planes_refined | 0.011 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 2450 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 147 | 
| Heterogen Atoms | 58 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| MOSFLM | data reduction | 
| SCALA | data scaling | 
| PHASER | phasing | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 














