Joint X-ray/neutron structure of reversibly photoswitching chromogenic protein, Dathail
NEUTRON DIFFRACTION - X-RAY DIFFRACTION
Crystallization
Crystalization Experiments |
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ID | Method | pH | Temperature | Details |
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1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 290 | 0.2M Magnesium Chloride, 0.1M Bis-Tris:HCl pH 6.5, 25% PEG 3350 |
Crystal Properties |
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Matthews coefficient | Solvent content |
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2.5 | 50.8 |
Crystal Data
Unit Cell |
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Length ( Å ) | Angle ( ˚ ) |
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a = 77.209 | α = 90 |
b = 82.049 | β = 90 |
c = 40.889 | γ = 90 |
Symmetry |
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Space Group | P 21 21 2 |
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Diffraction
Diffraction Experiment |
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol |
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1 | 1 | neutron | 293 | ANGER CAMERA | ORNL | COLLIMATORS | 2014-09-23 | L | LAUE |
2 | 1 | x-ray | 293 | IMAGE PLATE | RIGAKU RAXIS IV++ | OSMIC VARIMAX | 2014-01-13 | M | SINGLE WAVELENGTH |
Radiation Source |
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
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1 | NUCLEAR REACTOR | ORNL Spallation Neutron Source BEAMLINE MANDI | 2.0-4.0 | ORNL Spallation Neutron Source | MANDI |
2 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54 | | |
Data Collection
Overall |
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | 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 |
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1 | 2.5 | 40 | 63.6 | 0.317 | | | | | | 3.9 | 1.4 | | 6158 | 2.5 | | |
2 | 2.1 | 40 | 96.6 | 0.05 | | | | | | 25.3 | 3.8 | | 15273 | 2.5 | | |
Highest Resolution Shell |
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) |
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1 | 2.5 | 2.56 | | 0.263 | | | | | | 2.2 | 0.8 | |
2 | 2.1 | 2.18 | | 0.584 | | | | | | 2.2 | 3.6 | |
Refinement
Statistics |
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Diffraction ID | Structure Solution Method | 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 |
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NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 2.5 | 40 | | 2.5 | 9281 | 5652 | 274 | 60 | | | 0.305 | 0.344 | RANDOM | 43.44 |
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 2.1 | 40 | | 2.5 | 15778 | 11878 | 489 | 75.2 | | | 0.235 | 0.253 | RANDOM | 43.44 |
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] |
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| | | | | |
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RMS Deviations |
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Key | Refinement Restraint Deviation |
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x_torsion_deg | 17.3 |
x_angle_deg | 1.3 |
x_torsion_impr_deg | 0.97 |
x_bond_d | 0.01 |
Non-Hydrogen Atoms Used in Refinement |
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Non-Hydrogen Atoms | Number |
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Protein Atoms | 1746 |
Nucleic Acid Atoms | |
Solvent Atoms | 92 |
Heterogen Atoms | |
Software
Software |
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Software Name | Purpose |
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nCNS | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
PHASER | phasing |
Mantid | data reduction |
SHELXPREP | data scaling |