Structure of wild-type HIV protease in complex with degraded photosensitive inhibitor
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3NDX | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4 | 291 | 200mM LiCl, 20% PEG 1000 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.15 | 42.74 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 62.607 | α = 90 |
| b = 62.607 | β = 90 |
| c = 82.052 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 61 |
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 | MARMOSAIC 225 mm CCD | 2012-12-15 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | BESSY BEAMLINE 14.2 | 0.9184 | BESSY | 14.2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | 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 | 1.38 | 32.72 | 94.5 | 0.043 | 0.049 | 17.79 | 4.73 | 35441 | -3 | 24.188 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.38 | 1.46 | 73.6 | 0.67 | 0.757 | 2.15 | |||||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3NDX | 1.38 | 35 | 35429 | 1772 | 94.56 | 0.2103 | 0.2083 | 0.22 | 0.2474 | 0.26 | RANDOM | 22.22 | ||||
| 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] | |
| 0.11 | 0.05 | 0.11 | -0.34 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.652 |
| r_dihedral_angle_4_deg | 21.408 |
| r_dihedral_angle_3_deg | 12.989 |
| r_dihedral_angle_1_deg | 6.461 |
| r_mcangle_it | 3.094 |
| r_angle_refined_deg | 2.518 |
| r_mcbond_it | 2.32 |
| r_mcbond_other | 2.314 |
| r_angle_other_deg | 1.87 |
| r_chiral_restr | 0.132 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1496 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 188 |
| Heterogen Atoms | 80 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XDS | data reduction |
| PDB_EXTRACT | data extraction |
| MOLREP | phasing |
| REFMAC | refinement |
| XSCALE | data scaling |














