3CW1
Crystal Structure of Human Spliceosomal U1 snRNP
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.6 | 277 | 38-40% MPD, 0.3M KCl, 0.1M MES.KOH, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.41 | 63.92 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 126.471 | α = 95.42 |
b = 127.075 | β = 105.92 |
c = 152.024 | γ = 101.8 |
Symmetry | |
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Space Group | P 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 | MARMOSAIC 225 mm CCD | MIRRORS | 2007-03-09 | M | MAD | |||||
2 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | MIRRORS | 2006-04-25 | M | SINGLE WAVELENGTH | |||||
3 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | MIRRORS | 2006-04-25 | M | SINGLE WAVELENGTH | |||||
4 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | MIRRORS | 2007-09-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06SA | 1.2557,1.2511 | SLS | X06SA |
2 | SYNCHROTRON | SLS BEAMLINE X06SA | 0.9797 | SLS | X06SA |
3 | SYNCHROTRON | SLS BEAMLINE X06SA | 1.2827 | SLS | X06SA |
4 | SYNCHROTRON | SLS BEAMLINE X10SA | 0.9999 | SLS | X10SA |
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 | ||||||||
1,2,3,4 | 5.493 | 123.091 | 99.1 | 0.082 | 12.9 | 7.9 | 28397 | 28397 |
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) | |||||||||||
1,2,3,4 | 5.493 | 5.78 | 98.3 | 0.691 | 1.1 | 7.8 | 4031 |
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-Work | R-Free | Mean Isotropic B | |||||||||
X-RAY DIFFRACTION | 5.493 | 123.091 | 28397 | 28397 | 231.62 |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2809 |
Nucleic Acid Atoms | 552 |
Solvent Atoms | |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |
SHARP | phasing |
O | model building |