1G1X
STRUCTURE OF RIBOSOMAL PROTEINS S15, S6, S18, AND 16S RIBOSOMAL RNA
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 293 | 1.8 M (NH4)2SO4, 20 mM MgCl2, 50 mM Potassium Cacodylate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.4 | 75 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 169.5 | α = 90 |
b = 169.5 | β = 90 |
c = 113.8 | γ = 120 |
Symmetry | |
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Space Group | P 65 |
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 | MARRESEARCH | 1999-04-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-1 | SSRL | BL9-1 |
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 | 2.6 | 50 | 99.9 | 0.051 | 0.279 | 9.9 | 3.8 | 57348 | 71.4 |
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) | ||||||||||
2.6 | 2.69 | 99.9 | 99.9 | 0.41 | 0.279 | 1.7 | 3.8 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MIR | THROUGHOUT | 2.6 | 50 | 57348 | 1289 | 99.9 | 0.266 | 0.298 | random | 44.48 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 19.45 |
x_scangle_it | 7.75 |
x_mcangle_it | 6.35 |
x_scbond_it | 5.58 |
x_mcbond_it | 4.34 |
x_angle_deg | 2.22 |
x_improper_angle_d | 1.81 |
x_bond_d | 0.023 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3897 |
Nucleic Acid Atoms | 3646 |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
MLPHARE | phasing |
X-PLOR | refinement |
MOSFLM | data reduction |
CCP4 | data scaling |