3KF0
HIV Protease with fragment 4D9 bound
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2AZ8 | Dimer generated from PDB entry 2AZ8 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 5.8 | 277 | 0.5 M KSCN, 0.1 M MES-HCL, pH 5.8, 10% DMSO, VAPOR DIFFUSION, temperature 277.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.74 | 55.11 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 59.518 | α = 90 |
b = 85.91 | β = 90 |
c = 46.44 | 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 | 100 | IMAGE PLATE | MAR scanner 345 mm plate | Monochromator:Side scattering bent cube-root I-beam single crystal; asymmetric cut 4.965 degs; Mirrors: Rh coated flat mirror | 2008-07-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 0.97945 | SSRL | BL11-1 |
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 | 1.8 | 31.53 | 95.2 | 0.064 | 0.064 | 5.5 | 3.3 | 22686 | 21597 | 23.1 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.8 | 1.85 | 75.4 | 0.183 | 0.183 | 3.8 | 2.1 | 3398 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | THROUGHOUT | Dimer generated from PDB entry 2AZ8 | 1.8 | 31.53 | 21566 | 1106 | 95.2 | 0.208 | 0.206 | 0.246 | RANDOM | 27.867 |
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] | |
2.82 | -1.75 | -1.06 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 43.324 |
r_dihedral_angle_4_deg | 13.615 |
r_dihedral_angle_3_deg | 11.346 |
r_dihedral_angle_1_deg | 5.336 |
r_scangle_it | 3.36 |
r_scbond_it | 1.932 |
r_mcangle_it | 1.262 |
r_angle_refined_deg | 1.064 |
r_mcbond_it | 0.669 |
r_chiral_restr | 0.082 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1518 |
Nucleic Acid Atoms | |
Solvent Atoms | 211 |
Heterogen Atoms | 92 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
Blu-Ice | data collection |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |