4XDY
Structure of NADH-preferring ketol-acid reductoisomerase from an uncultured archean
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4KQX |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5 | 295 | 0.1 M bis-tris pH 5, 20% w/v polyethylene glycol 1500 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.51 | 64.98 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 49.695 | ¦Á = 90 |
b = 141.748 | ¦Â = 90 |
c = 148.598 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 2 21 21 |
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 | 2013-03-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL12-2 | 0.9795 | SSRL | BL12-2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.535 | 102.57 | 99.4 | 0.088 | 7.2 | 4.5 | 157419 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.535 | 1.7 | 99.8 | 0.963 | 1.5 | 4.5 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 4KQX | 1.535 | 102.57 | 145320 | 7699 | 97.25 | 0.18022 | 0.17875 | 0.20914 | RANDOM | 25.89 |
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] | |
-1.07 | 0.2 | 0.87 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_long_range_B_refined | 6.041 |
r_long_range_B_other | 6.041 |
r_scangle_other | 5.349 |
r_scbond_it | 3.663 |
r_scbond_other | 3.663 |
r_mcangle_other | 2.924 |
r_mcangle_it | 2.92 |
r_mcbond_it | 2.246 |
r_mcbond_other | 2.245 |
r_angle_refined_deg | 2.038 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5144 |
Nucleic Acid Atoms | |
Solvent Atoms | 359 |
Heterogen Atoms | 126 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
SCALA | data scaling |
PHASER | phasing |