Ultra-high resolution X-ray crystal structure of HIV-1 protease V32I mutant with TMC114 (darunavir) inhibitor
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 295 | 1-1.5 M NaCl; Molar Protein:Inhibitor ratio = 1:20, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.03 | 39.51 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 28.7 | α = 90 |
| b = 65.923 | β = 90 |
| c = 92.534 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 90 | CCD | MARRESEARCH | 2005-07-12 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 22-ID | 0.8 | APS | 22-ID |
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 | 0.84 | 20 | 85.3 | 153847 | 131172 | 4 | 2 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1 | 0.84 | 0.87 | 67.5 | ||||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | AB INITIO | FREE R | 0.84 | 20 | 153847 | 131172 | 7689 | 95.9 | 0.1242 | 0.1242 | 0.13 | 0.149 | RANDOM | ||||||
| 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] | |
| Coordinate Error | ||
|---|---|---|
| Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
| 67 | 1681.2 | 1828.63 |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| s_approx_iso_adps | 0.111 |
| s_non_zero_chiral_vol | 0.107 |
| s_zero_chiral_vol | 0.102 |
| s_anti_bump_dis_restr | 0.062 |
| s_similar_adp_cmpnt | 0.051 |
| s_angle_d | 0.039 |
| s_from_restr_planes | 0.0351 |
| s_bond_d | 0.017 |
| s_rigid_bond_adp_cmpnt | 0.007 |
| s_similar_dist | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1514 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 258 |
| Heterogen Atoms | 83 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SHELX | model building |
| SHELXL-97 | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| SHELX | phasing |














