3ZT2
Small molecule inhibitors of the LEDGF site of HIV type 1 integrase identified by fragment screening and structure based drug design
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3NF7 | PDB ENTRY 3NF7 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 5.5 | THE PROTEIN WAS CONCENTRATED TO 5.5MG/ML IN 40MM TRIS PH 8.0, 250MM NACL, 30MM MGCL2, 5MM DTT AND SET UP IN A 1:1 RATIO WITH 1.6 TO 2.0M AMMONIUM SULFATE, 100MM SODIUM ACETATE BUFFER PH 5.0 TO 5.5 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.45 | 50 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 71.331 | α = 90 |
| b = 71.331 | β = 90 |
| c = 66.979 | 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 CCD | MIRRORS | 2009-03-31 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 | Australian Synchrotron | MX1 | |
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 | 1.7 | 61.8 | 98.5 | 0.06 | 16.7 | 5.5 | 41795 | 1 | 24.76 | ||||||||||
| 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 | 1.7 | 1.79 | 89.9 | 0.49 | 2.5 | 3.7 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 3NF7 | 1.7 | 45.41 | 39230 | 2070 | 98.48 | 0.18049 | 0.17859 | 0.21638 | RANDOM | 25.317 | ||||||
| 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] | |
| -0.01 | ||||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.097 |
| r_dihedral_angle_3_deg | 15.022 |
| r_dihedral_angle_4_deg | 11.407 |
| r_dihedral_angle_1_deg | 6.481 |
| r_scangle_it | 4.813 |
| r_scbond_it | 3.358 |
| r_angle_refined_deg | 2.791 |
| r_mcangle_it | 2.613 |
| r_mcbond_it | 1.69 |
| r_chiral_restr | 0.198 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2318 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 126 |
| Heterogen Atoms | 138 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MOSFLM | data reduction |
| SCALA | data scaling |
| PHASER | phasing |
