1LA2
Structural analysis of Saccharomyces cerevisiae myo-inositol phosphate synthase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 291 | 7% PEG 4000, 0.1M sodium acetate, 5% glycerol, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3 | 58.95 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 155.693 | α = 90 |
b = 187.346 | β = 90 |
c = 98.954 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 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 | MARRESEARCH | 2001-10-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X9A | 0.9790 | NSLS | X9A |
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 | 2.55 | 20 | 98.6 | 0.105 | 10.9 | 5.5 | 183241 | 180676 | -3 | 26.5 |
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) | |||||||||||
2.55 | 2.64 | 91 | 0.448 | 4.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 2.65 | 19.96 | 84499 | 83992 | 4213 | 99.4 | 0.224 | 0.22 | 0.28 | 0.22 | RANDOM | 41.8 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-2.95 | 0.81 | 2.14 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.1 |
c_scangle_it | 3.06 |
c_mcangle_it | 2.48 |
c_scbond_it | 2.04 |
c_mcbond_it | 1.42 |
c_angle_deg | 1 |
c_improper_angle_d | 0.76 |
c_bond_d | 0.003 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 16172 |
Nucleic Acid Atoms | |
Solvent Atoms | 692 |
Heterogen Atoms | 176 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |
RESOLVE | model building |
CNS | refinement |
RESOLVE | phasing |