CRYSTAL STRUCTURE OF A BIFUNCTIONAL PROTEIN (CSAA) WITH EXPORT-RELATED CHAPERONE AND TRNA-BINDING ACTIVITIES.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 293 | NaCl, Sodium Acetate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.72 | 54.75 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 55.715 | α = 90 |
b = 55.715 | β = 90 |
c = 167.064 | γ = 90 |
Symmetry | |
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Space Group | P 43 |
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 | MAR CCD 165 mm | 1999-06-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL44B2 | SPring-8 | BL44B2 |
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 | 50 | 97.5 | 0.043 | 14.7 | 4 | 34223 | 33368 | 27 |
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) | |||||||||||
2 | 2.07 | 96.7 | 0.191 | 4.3 | 3321 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution 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 | 2 | 50 | 33368 | 33368 | 1668 | 100 | 0.219 | 0.219 | 0.217 | 0.22 | 0.277 | 0.28 | RANDOM |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_angle_deg | 1.54 |
c_torsion_impr_deg | 0.9 |
c_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3356 |
Nucleic Acid Atoms | |
Solvent Atoms | 328 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
MLPHARE | phasing |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |