Crystal structure analysis of HIV-1 protease mutant I84V with a substrate analog P2-NC
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1FG6 | PDB Entry 1FG6 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.4 | 293 | SODIUM CHLORIDE 0.4M, DMSO 5%, CITRATE PHOSPHATE BUFFER PH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.25 | 45.4 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 57.802 | α = 90 |
| b = 85.589 | β = 90 |
| c = 46.461 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 2 |
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 QUANTUM 4 | Pt-coated toroidal Si mirror | 2002-11-01 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS BEAMLINE X26C | NSLS | X26C | |
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 | 1.3 | 50 | 95.9 | 0.079 | 14.4 | 6.6 | 57616 | ||||||||||||
| 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 | 1.3 | 1.35 | 72.4 | 0.33 | 3.2 | 2.9 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R | PDB Entry 1FG6 | 1.3 | 10 | 55009 | 47767 | 2761 | 96 | 0.1264 | 0.1234 | 0.13 | 0.1659 | 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 |
| 24 | 1659 | 1795.26 |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| s_non_zero_chiral_vol | 0.089 |
| s_approx_iso_adps | 0.085 |
| s_zero_chiral_vol | 0.075 |
| s_similar_adp_cmpnt | 0.037 |
| s_from_restr_planes | 0.0307 |
| s_angle_d | 0.03 |
| s_anti_bump_dis_restr | 0.029 |
| s_bond_d | 0.013 |
| s_rigid_bond_adp_cmpnt | 0.004 |
| s_similar_dist | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1510 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 239 |
| Heterogen Atoms | 83 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data collection |
| HKL-2000 | data reduction |
| SHELX | model building |
| SHELXL-97 | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| SHELX | phasing |














