3EKY
Crystal Structure of wild-type HIV protease in complex with the inhibitor, Atazanavir
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.2 | 300 | 126mM Sodium Phosphate pH 6.2; 63mM sodium citrate; 24-29% ammonium sulphate , VAPOR DIFFUSION, HANGING DROP, temperature 300K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.12 | 41.91 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 50.862 | α = 90 |
| b = 58.099 | β = 90 |
| c = 61.999 | 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 | 200 | IMAGE PLATE | RIGAKU RAXIS IV | Yale mirrors | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU | 1.5418 | ||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 1.8 | 50 | 95.7 | 0.071 | 0.071 | 8.9 | 6.8 | 16904 | |||||||||||
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 1F7A | 1.8 | 42.41 | 16003 | 861 | 95.65 | 0.17739 | 0.17566 | 0.20857 | RANDOM | 17.92 | ||||||
| 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] | |
| 0.08 | 0.26 | -0.33 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.034 |
| r_dihedral_angle_4_deg | 14.01 |
| r_dihedral_angle_3_deg | 11.552 |
| r_dihedral_angle_1_deg | 5.896 |
| r_scangle_it | 1.53 |
| r_angle_refined_deg | 1.179 |
| r_scbond_it | 1.026 |
| r_angle_other_deg | 0.704 |
| r_mcangle_it | 0.596 |
| r_mcbond_it | 0.431 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1502 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 201 |
| Heterogen Atoms | 71 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| SCALEPACK | data scaling |
| AMoRE | phasing |
