1HPO
HIV-1 PROTEASE TRIPLE MUTANT/U103265 COMPLEX
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.4 | CRYSTALS WERE GROWN AT ROOM TEMPERATURE IN 10 UL HANGING DROPS OF EQUAL VOLUMES OF PROTEIN/INHIBITOR COMPLEX AND THE PRECIPITANT OF 0.75, 1.0 1.5 2.0 M NACL AT PH'S 4.8, 5.0 AND 5.2 (0.1 M ACETATE BUFFER) AND AT PH'S 5.4, 5.6 AND 5.8 (0.1 M CITRATE BUFFER)., vapor diffusion - hanging drop |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.88 | 57.25 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 60.543 | α = 90 |
b = 88.416 | β = 90 |
c = 46.484 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 298 | AREA DETECTOR | SIEMENS | 1994-02-28 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | SIEMENS |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.5 | 10 | 98.8 | 0.132 | 8.2 | 7 | 9119 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.5 | 2.64 | 92.5 | 0.534 | 2.2 | 5.5 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 2.5 | 10 | 2 | 7560 | 82.9 | 0.179 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1491 |
Nucleic Acid Atoms | |
Solvent Atoms | 164 |
Heterogen Atoms | 36 |
Software
Software | |
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Software Name | Purpose |
MERLOT | phasing |
CEDAR | refinement |
XENGEN | data reduction |
XENGEN | data scaling |