2B2W
Tandem chromodomains of human CHD1 complexed with Histone H3 Tail containing trimethyllysine 4
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2B2T | PDB ENTRY 2B2T WITHOUT CHAIN D |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 8 | 283 | 4% PEG3350, 0.05M HEPES pH 8.0, 10mM BTP, 12.5mM NaCl, 5mM TCEP, VAPOR DIFFUSION, HANGING DROP, temperature 283K, pH 8.00 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.4 | 49 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 112.268 | ¦Á = 90 |
b = 55.167 | ¦Â = 112.44 |
c = 100.507 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | MARRESEARCH | 2005-04-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | APS | 22-ID |
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 | 2.4 | 50 | 93.6 | 0.052 | 23.3 | 3.5 | 21039 |
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) | |||||||||||
2.4 | 2.49 | 65.1 | 0.221 | 3.22 | 2.5 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | 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 | PDB ENTRY 2B2T WITHOUT CHAIN D | 2.4 | 20 | 238 | 21039 | 20757 | 1420 | 92.5 | 0.215 | 0.215 | 0.273 | RANDOM | 43.36 |
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] | |
11.22 | 1.535 | -9.125 | -2.095 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_angle_deg | 1.51 |
c_bond_d | 0.007 |
c_bond_d_na | |
c_bond_d_prot | |
c_angle_d | |
c_angle_d_na | |
c_angle_d_prot | |
c_angle_deg_na | |
c_angle_deg_prot | |
c_dihedral_angle_d |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3587 |
Nucleic Acid Atoms | |
Solvent Atoms | 301 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | refinement |
PDB_EXTRACT | data extraction |
MAR345 | data collection |
HKL-2000 | data scaling |
MOLREP | phasing |