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 | 
| 2.34 | 47.32 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 70.653 | α = 90 | 
| b = 70.653 | β = 90 | 
| c = 66.862 | 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 | 1.7 | 66.9 | 41088 | 41088 | |||||||||||||||
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 | 1.7 | 61.19 | 41063 | 2065 | 99.96 | 0.1629 | 0.161 | 0.1591 | 0.1994 | 0.1973 | RANDOM | 21.9638 | |||||
| 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] | |
| 0.15 | 0.08 | 0.15 | -0.23 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 34.035 | 
| r_dihedral_angle_3_deg | 15.981 | 
| r_dihedral_angle_4_deg | 8.817 | 
| r_dihedral_angle_1_deg | 6.077 | 
| r_angle_refined_deg | 2.631 | 
| r_chiral_restr | 0.213 | 
| r_bond_refined_d | 0.031 | 
| r_gen_planes_refined | 0.014 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 2453 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 169 | 
| Heterogen Atoms | 54 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| d*TREK | data scaling | 
| SCALA | data scaling | 
| PHASER | phasing | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 
| d*TREK | data reduction | 














