1OIP
The Molecular Basis of Vitamin E Retention: Structure of Human Alpha-Tocopherol Transfer Protein
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 5.6 | 12% PEG 6000, 0.1 M NA-CITRATE PH 5.6, 0.1 M LISO4 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.06 | 59.75 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 77.81 | ¦Á = 90 |
b = 77.81 | ¦Â = 90 |
c = 128.36 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 41 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 | 2002-09-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06SA | SLS | X06SA |
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 | 1.95 | 20 | 99.7 | 0.062 | 22.8 | 10.8 | 29375 |
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 | 1.95 | 1.98 | 97.7 | 0.559 | 3.5 | 6.9 |
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-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.95 | 19.54 | 27963 | 1472 | 100 | 0.192 | 0.19 | 0.227 | RANDOM | 18.99 |
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] | |
-0.29 | -0.29 | 0.59 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_1_deg | 6.858 |
r_scangle_it | 4.711 |
r_scbond_it | 3.347 |
r_mcangle_it | 2.882 |
r_mcbond_it | 1.927 |
r_angle_refined_deg | 1.261 |
r_nbd_refined | 0.258 |
r_symmetry_vdw_refined | 0.174 |
r_xyhbond_nbd_refined | 0.143 |
r_symmetry_hbond_refined | 0.129 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2047 |
Nucleic Acid Atoms | |
Solvent Atoms | 125 |
Heterogen Atoms | 41 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XDS | data scaling |
CNS | phasing |