1C6X
ALTERNATE BINDING SITE FOR THE P1-P3 GROUP OF A CLASS OF POTENT HIV-1 PROTEASE INHIBITORS AS A RESULT OF CONCERTED STRUCTURAL CHANGE IN 80'S LOOP.
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | crystals obtained by co-crystallization at ph 5.2, using 0.6M NaCl as precipitating agent in 0.1M sodium acetate buffer. protein was at 5.5 mg/ml concentration | |||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.96 | 58.48 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 88.21 | α = 90 |
| b = 88.21 | β = 90 |
| c = 32.92 | 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 | M | SINGLE WAVELENGTH | ||||||||||
Data Collection
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 2.5 | 2.59 | 84 | |||||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Free (Depositor) | Mean Isotropic B | |||||||||
| X-RAY DIFFRACTION | 2.5 | 8 | 2 | 0.2 | 0.2 | 0.3 | |||||||||||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| x_angle_deg | 2.4 |
| x_bond_d | 0.015 |
| x_bond_d_na | |
| x_bond_d_prot | |
| x_angle_d | |
| x_angle_d_na | |
| x_angle_d_prot | |
| x_angle_deg_na | |
| x_angle_deg_prot | |
| x_dihedral_angle_d | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1514 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 69 |
| Heterogen Atoms | 51 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| X-PLOR | refinement |
