6ETP
Atomic resolution structure of RNase A (data collection 6)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1KF3 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | LIQUID DIFFUSION | 293 | Free-interface diffusion of a 10 uL of 30 mg ml-1 protein solution, 20 mM sodium citrate at pH 5.3 agaist 10 ul isopropanol 99.9% isopropanol. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.04 | 39.68 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 29.125 | α = 90 |
b = 37.971 | β = 105.83 |
c = 52.541 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | PIXEL | DECTRIS PILATUS 6M | 2011-09-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X10SA | 0.7749 | SLS | X10SA |
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 | 1.02 | 50 | 91.9 | 0.056 | 8.65 | 3.6 | 51404 |
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 | 1.02 | 1.06 | 89.6 | 0.431 | 2.47 | 3.4 |
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 | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 1KF3 | 1.02 | 50 | 41368 | 2185 | 89.6 | 0.1456 | 0.1401 | 0.178 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 951 |
Nucleic Acid Atoms | |
Solvent Atoms | 170 |
Heterogen Atoms | 16 |
Software
Software | |
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Software Name | Purpose |
SHELXL | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |