3BHE
HIV-1 protease in complex with a three armed pyrrolidine derivative
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 2.7M NaCl, 0.1M Bis-Tris, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.141428 | 42.56 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 51.92 | α = 90 |
b = 57.662 | β = 90 |
c = 61.823 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | 113 | IMAGE PLATE | RIGAKU RAXIS IV | 2005-03-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH3R | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.75 | 20 | 98.5 | 0.063 | 0.063 | 25.5 | 5.8 | 19041 | 27.4 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.75 | 1.78 | 97 | 0.482 | 0.482 | 3.4 | 5.8 | 914 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R | pdb entry 1XL2 | 1.75 | 10 | 2 | 4 | 17940 | 17940 | 952 | 93.5 | 0.2027 | 0.194 | 0.192 | 0.247 | 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 | ||
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Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
1574.04 | 1608.96 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_similar_adp_cmpnt | 0.073 |
s_non_zero_chiral_vol | 0.038 |
s_zero_chiral_vol | 0.034 |
s_from_restr_planes | 0.0267 |
s_angle_d | 0.022 |
s_anti_bump_dis_restr | 0.007 |
s_bond_d | 0.006 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1504 |
Nucleic Acid Atoms | |
Solvent Atoms | 79 |
Heterogen Atoms | 29 |
Software
Software | |
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Software Name | Purpose |
SHELX | model building |
SHELXL-97 | refinement |
CrystalClear | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHASER | phasing |