1ZBB
Structure of the 4_601_167 Tetranucleosome
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1KX5 | 1KX5(NUCLEOSOME CORE PARTICLE) |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.75 | 294 | magnesium chloride, potassium chloride, potassium cacodylate, trisCl, pH 6.75, VAPOR DIFFUSION, SITTING DROP, temperature 294K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.9 | 57.2 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 127.675 | α = 90 |
b = 168.445 | β = 90 |
c = 237.126 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 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 | MARRESEARCH | Dynamically bendable mirror | 2003-08-13 | M | SINGLE WAVELENGTH | |||||
2 | 1 | x-ray | CCD | MARRESEARCH | Dynamically bendable mirror | 2003-08-22 | M | SINGLE WAVELENGTH | ||||||
3 | 1 | x-ray | CCD | MARRESEARCH | Dynamically bendable mirror | 2003-10-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06SA | 0.96980 | SLS | X06SA |
2 | SYNCHROTRON | SLS BEAMLINE X06SA | 1.000030 | SLS | X06SA |
3 | SYNCHROTRON | SLS BEAMLINE X06SA | 0.850030 | SLS | X06SA |
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 | ||||||||
1,2,3 | 9 | 50 | 97 | 0.072 | 17.28 | 5.7 | 1994 | 1994 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
1,2,3 | 9 | 10 | 97.4 | 0.087 | 12.55 | 4.2 | 542 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution 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 | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 1KX5(NUCLEOSOME CORE PARTICLE) | 9 | 50 | 1992 | 1992 | 97 | 0.386 | 0.386 |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 12630 |
Nucleic Acid Atoms | 14221 |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
BEAST | model building |
REFMAC | refinement |
BEAST | phasing |