4ZIA
Crystal Structure of STAT3 N-terminal domain
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1BGF | PDB ID: 1BGF |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 298 | 20% v/v PEG 3350, 0.2M magnesium formate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.01 | 59.18 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 109.012 | α = 90 |
b = 109.012 | β = 90 |
c = 154.3 | γ = 90 |
Symmetry | |
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Space Group | P 41 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 | PIXEL | DECTRIS PILATUS 6M | 2010-04-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 17-ID | 1 | APS | 17-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 | 2.7 | 20 | 99.6 | 0.075 | 19.4 | 8 | 26131 |
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 | 2.7 | 2.77 | 100 | 0.388 | 5.5 | 8.2 |
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-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | PDB ID: 1BGF | 2.7 | 20 | 26131 | 1329 | 100 | 0.2362 | 0.2701 | 59.0826 |
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] | |
-5.27 | -5.27 | 10.54 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 3.327 |
c_mcangle_it | 2.434 |
c_scbond_it | 2.075 |
c_mcbond_it | 1.408 |
c_angle_d | 1.081 |
c_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5081 |
Nucleic Acid Atoms | |
Solvent Atoms | 63 |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
CNS | refinement |
PDB_EXTRACT | data extraction |
PHASER | phasing |
XDS | data reduction |