4GKG
Crystal structure of the S-Helix Linker
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.2 | 293.15 | 8-12% PEG1500, 15-20% Isopropanol, 100mM Sodium Citrate, pH 5.2, VAPOR DIFFUSION, SITTING DROP, temperature 293.15K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.35 | 47.75 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 40.96 | α = 90 |
b = 40.96 | β = 90 |
c = 302.421 | γ = 120 |
Symmetry | |
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Space Group | P 61 2 2 |
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 315 | M | SINGLE WAVELENGTH | |||||||
2 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I02 | 0.9795, 1.07210, 1.05830 | Diamond | I02 |
2 | SYNCHROTRON | DIAMOND BEAMLINE I03 | 0.9795, 1.07210, 1.05830 | Diamond | I03 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.695 | 50.613 | 18052 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution 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 | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | Standard 7 amino acid helix | 1.695 | 34.535 | 1.1 | 31108 | 1605 | 98.76 | 0.2383 | 0.2364 | 0.2759 |
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] | |
12.0102 | 12.0102 | -24.0205 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 17.375 |
f_angle_d | 1.118 |
f_chiral_restr | 0.07 |
f_bond_d | 0.01 |
f_plane_restr | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 789 |
Nucleic Acid Atoms | |
Solvent Atoms | 74 |
Heterogen Atoms | 15 |
Software
Software | |
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Software Name | Purpose |
PHASER | phasing |
PHENIX | refinement |
MOSFLM | data reduction |
SCALA | data scaling |