3F8U
Tapasin/ERp57 heterodimer
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 295 | reservoir contained 100 mM HEPES (@pH 7.5), 20% PEG 3K, 200 mM CaCl2. protein was concentrated to 10mg/ml in 150 mM NaCl, 20 mM Tris (@ pH 7.4), 5% glycerol. The hanging drop was supplemented to contain 100 mM guanidine HCl; seeding was used to obtain larger crystals., VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.75 | 55.31 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 74.101 | α = 90 |
b = 72.295 | β = 94.613 |
c = 200.193 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 315 | 2006-12-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-C | 0.9795 | APS | 24-ID-C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.6 | 50 | 97.4 | 0.074 | 0.074 | 19.4 | 3.7 | 63580 | 63580 | -2 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.6 | 2.69 | 91.4 | 0.207 | 0.207 | 6.5 | 3.6 | 5852 |
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-Factor (All) | R-Factor (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 | 2.6 | 20 | 63580 | 63580 | 3257 | 97.4 | 0.247 | 0.247 | 0.245 | 0.25 | 0.285 | 0.28 | random | 63 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_angle_deg | 1.4 |
c_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 12911 |
Nucleic Acid Atoms | |
Solvent Atoms | 112 |
Heterogen Atoms | 28 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
SHARP | phasing |
CNS | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |