1SYX
The crystal structure of a binary U5 snRNP complex
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 277 | PEG 2000mme, MES, calcium acetate, 1,4-butanediol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.78 | 55.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 135.726 | α = 90 |
b = 75.913 | β = 94.27 |
c = 77.027 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 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 | IMAGE PLATE | MARRESEARCH | mirrors | 2003-03-01 | M | SINGLE WAVELENGTH | |||||
2 | 1 | x-ray | 100 | CCD | MARRESEARCH | mirrors | 2003-08-24 | M | SINGLE WAVELENGTH | |||||
1,2 | 1 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | 1.5418 | ||
2 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X13 | 0.8000 | EMBL/DESY, HAMBURG | X13 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.345 | 50 | 100 | 0.031 | 2.4 | 30397 | 30397 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1,2 | 2.345 | 2.39 | 92.5 | 0.248 | 2.4 | 2.4 | 1535 |
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 (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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1QGV and 1GYF | 2.345 | 49.39 | 30297 | 28709 | 1486 | 91.84 | 0.217 | 0.21806 | 0.21578 | 0.21 | 0.26249 | 0.26 | RANDOM | 40.592 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_1_deg | 5.715 |
r_scangle_it | 1.878 |
r_scbond_it | 1.177 |
r_angle_refined_deg | 1.07 |
r_mcangle_it | 0.774 |
r_mcbond_it | 0.405 |
r_symmetry_hbond_refined | 0.222 |
r_nbd_refined | 0.199 |
r_xyhbond_nbd_refined | 0.177 |
r_symmetry_vdw_refined | 0.173 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4890 |
Nucleic Acid Atoms | |
Solvent Atoms | 192 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SCALEPACK | data scaling |
MOLREP | phasing |
CNS | refinement |
DENZO | data reduction |