6K1J
Human nucleosome core particle with H2A.X variant
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2NZD |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 291.15 | Potassium Chloride, Manganese Chloride, Potassium Cacodylate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.57 | 52.22 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 105.75 | α = 90 |
b = 109.94 | β = 90 |
c = 180.37 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | 98.15 | PIXEL | DECTRIS PILATUS 2M | 2014-10-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06DA | 1 | SLS | X06DA |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 2.85 | 93.88 | 99.9 | 0.193 | 0.214 | 0.09 | 0.995 | 5.2 | 5.5 | 49843 | 98 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.85 | 3 | 99.8 | 0.655 | 0.598 | 1.1 | 4.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2nzd | 2.85 | 93.88 | 47274 | 971 | 96.75 | 0.2659 | 0.2648 | 0.3192 | RANDOM | 89.337 |
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] | |
3.48 | -7.33 | 3.86 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 28.524 |
r_dihedral_angle_4_deg | 20.104 |
r_dihedral_angle_3_deg | 18.493 |
r_dihedral_angle_1_deg | 6.37 |
r_angle_other_deg | 1.426 |
r_angle_refined_deg | 1.413 |
r_chiral_restr | 0.072 |
r_bond_refined_d | 0.006 |
r_gen_planes_refined | 0.006 |
r_bond_other_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6174 |
Nucleic Acid Atoms | 5939 |
Solvent Atoms | 30 |
Heterogen Atoms | 14 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
iMOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |