4L8H
Bacteriophage Qbeta coat protein in complex with RNA operator hairpin
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.5 | 293 | 0.1 M sodium acetate, 0.2 M zinc acetate, 9% PEG 3000, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.63 | 66.13 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 75.84 | α = 90 |
b = 75.84 | β = 90 |
c = 303.49 | γ = 120 |
Symmetry | |
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Space Group | P 65 2 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 | CCD | MARMOSAIC 225 mm CCD | multilayer mirrors | 2013-02-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | MAX II BEAMLINE I911-3 | 1.0000 | MAX II | I911-3 |
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 | 2.4 | 40.064 | 99.9 | 0.09 | 9.7 | 3.4 | 21342 | 21342 | 34.937 |
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 | 2.4 | 2.53 | 100 | 0.614 | 2.2 | 3.5 |
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 (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 1QBE | 2.4 | 37.63 | 21269 | 21269 | 1089 | 99.85 | 0.25453 | 0.25453 | 0.25267 | 0.28839 | RANDOM | 34.194 |
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] | |
-0.02 | -0.01 | -0.02 | 0.03 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.344 |
r_dihedral_angle_4_deg | 15.915 |
r_dihedral_angle_3_deg | 14.496 |
r_dihedral_angle_1_deg | 6.843 |
r_scangle_it | 3.851 |
r_scbond_it | 2.404 |
r_mcangle_it | 1.908 |
r_angle_refined_deg | 1.67 |
r_mcbond_it | 1.02 |
r_chiral_restr | 0.094 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1855 |
Nucleic Acid Atoms | 423 |
Solvent Atoms | 90 |
Heterogen Atoms | 6 |
Software
Software | |
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Software Name | Purpose |
MAR345 | data collection |
MOLREP | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |