3FIV
CRYSTAL STRUCTURE OF FELINE IMMUNODEFICIENCY VIRUS PROTEASE COMPLEXED WITH A SUBSTRATE
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1FIV | PDB ENTRY 1FIV |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 5.6 | PROTEIN WAS CRYSTALLIZED FROM 2.0 M AMMONIUM SULFATE, 0.1 M SODIUM ACETATE, PH=5.6. PROTEIN CONCENTRATION, 5.0 MG/ML. CRYSTALLIZATION METHOD: HANGING DROP VAPOR DIFFUSION | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.05 | 37.61 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 50.89 | α = 90 |
| b = 50.89 | β = 90 |
| c = 74.53 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 31 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 293 | IMAGE PLATE | MACSCIENCE | MIRRORS | 1996-04-23 | M | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | ENRAF-NONIUS FR591 | |||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 20 | 87.2 | 0.091 | 16 | 2.32 | 40465 | 1 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.8 | 1.83 | 60.8 | 0.42 | 2.59 | 1.65 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB ENTRY 1FIV | 1.85 | 8 | 3 | 15187 | 89.5 | 0.172 | 0.172 | 28 | |||||||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| x_dihedral_angle_d | 27.6 |
| x_mcangle_it | 3.304 |
| x_scangle_it | 3.304 |
| x_mcbond_it | 3.138 |
| x_scbond_it | 3.138 |
| x_angle_deg | 1.82 |
| x_improper_angle_d | 1.52 |
| x_bond_d | 0.014 |
| x_bond_d_na | |
| x_bond_d_prot | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1900 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 148 |
| Heterogen Atoms | 10 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| X-PLOR | model building |
| X-PLOR | refinement |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| X-PLOR | phasing |
