3D1X
Crystal structure of HIV-1 mutant I54M and inhibitor saquinavir
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1DAZ | PDB entry 1DAZ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 295 | SODIUM ACETATE BUFFER, 10-15% NaCl, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.73 | 54.96 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 58.9 | ¦Á = 90 |
b = 86.02 | ¦Â = 90 |
c = 46.39 | ¦Ã = 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 | 95 | CCD | MARMOSAIC 300 mm CCD | 2007-06-13 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | APS | 22-ID |
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 | 1.05 | 50 | 92.2 | 0.088 | 21.9 | 6.6 | 103172 | 95184 | 4 | 2 |
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 | 1.05 | 1.09 | 93.5 | 0.258 | 7 | 4.2 |
Refinement
Statistics | |||||||||||||||||||
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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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R | PDB entry 1DAZ | 1.05 | 10 | 103172 | 95184 | 5164 | 93.5 | 0.1547 | 0.119 | 0.147 | RANDOM |
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] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
34 | 1590 | 1785.8 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_non_zero_chiral_vol | 0.108 |
s_zero_chiral_vol | 0.094 |
s_approx_iso_adps | 0.094 |
s_anti_bump_dis_restr | 0.046 |
s_similar_adp_cmpnt | 0.038 |
s_angle_d | 0.036 |
s_from_restr_planes | 0.0313 |
s_bond_d | 0.017 |
s_rigid_bond_adp_cmpnt | 0.006 |
s_similar_dist |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1512 |
Nucleic Acid Atoms | |
Solvent Atoms | 250 |
Heterogen Atoms | 58 |
Software
Software | |
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Software Name | Purpose |
AMoRE | phasing |
SHELXL-97 | refinement |
HKL-2000 | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |