1T3S
Structural Analysis of the Voltage-Dependent Calcium Channel Beta Subunit Functional Core
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 9 | 292 | PEG 20K, BICINE, SODIUM CHLORIDE, BETA-MERCAPTOETHANOL, MPD, pH 9, VAPOR DIFFUSION, HANGING DROP, temperature 292K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.75 | 55.26 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 74.066 | α = 90 |
b = 163.841 | β = 90 |
c = 34.761 | 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 | ADSC QUANTUM 4 | 2002-07-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-2 | 0.9333 | ESRF | ID14-2 |
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 | 2.3 | 50 | 0.048 | 15.4 | 18271 |
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 | 2.3 | 87.9 | 0.31 | 4.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | MAD | THROUGHOUT | model built from earlier MAD data | 2.3 | 81.65 | 18229 | 17294 | 935 | 92.79 | 0.26222 | 0.26147 | 0.27728 | RANDOM | 57.757 |
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] | |
-3.86 | 5.23 | -1.37 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_angle_other_deg | 3.506 |
r_scangle_it | 3.492 |
r_mcangle_it | 2.705 |
r_scbond_it | 2.323 |
r_mcbond_it | 1.559 |
r_angle_refined_deg | 1.536 |
r_dihedral_angle_1_deg | 1.213 |
r_nbd_other | 0.302 |
r_symmetry_vdw_other | 0.267 |
r_nbd_refined | 0.241 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2282 |
Nucleic Acid Atoms | |
Solvent Atoms | 87 |
Heterogen Atoms | 1 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |