5AY8
Crystal structure of human nucleosome containing H3.Y
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3AV2 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 293 | sodium acetate, manganese chloride, 2-propanol, trimethylamine N-oxide |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.25 | 45.27 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 101.522 | α = 90 |
b = 101.922 | β = 90 |
c = 175.736 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 270 | 2013-10-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-17A | 0.98 | Photon Factory | BL-17A |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.8 | 50 | 95.5 | 0.096 | 0.108 | 0.048 | 11 | 4.2 | 43676 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.8 | 2.9 | 92.8 | 0.434 | 0.512 | 0.265 | 0.292 | 3.1 | 4191 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 3AV2 | 2.8 | 48.945 | 1.45 | 43643 | 2159 | 95.61 | 0.2035 | 0.2012 | 0.2 | 0.2488 | 0.22 | 69.8693 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 29.726 |
f_angle_d | 1.301 |
f_chiral_restr | 0.061 |
f_bond_d | 0.011 |
f_plane_restr | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 5883 |
Nucleic Acid Atoms | 5942 |
Solvent Atoms | 8 |
Heterogen Atoms | 10 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
HKL-2000 | data collection |
HKL-2000 | data scaling |
PHASER | phasing |
PDB_EXTRACT | data extraction |
Coot | model building |
HKL-2000 | data reduction |