4II1
Crystal structure of the zinc finger of ZGPAT
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 291 | 1.2 M sodium citrate, 5% MPD, 0.1 M sodium HEPES, 3 molar equivalents of H3K4me3 peptide., pH 7.5, vapor diffusion, sitting drop, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.44 | 49.52 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 55.17 | α = 90 |
b = 87.07 | β = 95.65 |
c = 76.57 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | IMAGE PLATE | MAR scanner 300 mm plate | 2011-04-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-B | 1.28292 | APS | 23-ID-B |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.65 | 37.8 | 98.7 | 0.073 | 12.55 | 20804 | -3 | 67.802 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.65 | 2.72 | 98.3 | 0.946 | 1.94 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 2.65 | 37.8 | 20787 | 985 | 98.76 | 0.2102 | 0.2085 | 0.2416 | THIN SHELLS (SFTOOLS) | 66.9971 |
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] | |
9.6709 | 4.6329 | -12.7657 | 3.0948 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
t_other_torsion | 18.52 |
t_omega_torsion | 2.65 |
t_angle_deg | 1.01 |
t_bond_d | 0.009 |
t_dihedral_angle_d | |
t_trig_c_planes | |
t_gen_planes | |
t_it | |
t_nbd | |
t_improper_torsion |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3947 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 23 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
SHELX | phasing |
SHARP | phasing |
BUSTER-TNT | refinement |
PDB_EXTRACT | data extraction |
XDS | data reduction |
BUSTER | refinement |