6WXM
X-ray crystallographic structure of a beta-hairpin peptide derived from amyloid beta 16-36
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 296.15 | 0.1 M sodium acetate (pH 5.0), 0.1 M CoCl2, 1.1 M 1,6-hexanediol |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.92 | 57.89 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 90.194 | α = 90 |
b = 122.127 | β = 90 |
c = 58.327 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 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 | 113.15 | CCD | RIGAKU SATURN 92 | 2015-06-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.3 | 36.28 | 98.46 | 0.07937 | 0.1122 | 0.07937 | 0.988 | 15.9 | 16.1 | 27084 | 32.34 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.3 | 2.382 | 87.34 | 0.4408 | 0.6233 | 0.4408 | 0.357 | 1.42 | 4.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | FREE R-VALUE | 2.3 | 36.28 | 1.35 | 27084 | 2715 | 97.88 | 0.176 | 0.1713 | 0.2185 | 66.35 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 16.7067 |
f_angle_d | 1.5224 |
f_chiral_restr | 0.0686 |
f_bond_d | 0.0107 |
f_plane_restr | 0.0078 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1793 |
Nucleic Acid Atoms | |
Solvent Atoms | 76 |
Heterogen Atoms | 80 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
MOSFLM | data reduction |
Aimless | data scaling |
PHENIX | phasing |