8T84
Racemic mixture of amyloid beta segment 35-MVGGVV-40 forms heterochiral rippled beta-sheet, includes hexafluoroisopropanol
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | BATCH MODE | 298 | hexafluoroisopropanol, water |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.97 | 37.57 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 9.42 | α = 96.565 |
b = 11.22 | β = 89.572 |
c = 21.12 | γ = 94.951 |
Symmetry | |
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Space Group | P -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 | PIXEL | DECTRIS EIGER X 16M | 2022-10-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-E | 0.979180 | APS | 24-ID-E |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim 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 | 1.1 | 20.981 | 85.8 | 0.174 | 0.186 | 0.995 | 4.88 | 6.5 | 2980 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.1 | 1.16 | 1.897 | 2.09 | 0.627 |
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 (All) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | AB INITIO PHASING | FREE R-VALUE | 1.101 | 20.981 | 2980 | 298 | 85.78 | 0.19 | 0.1889 | 0.2038 | 21.652 |
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] | |
-2.602 | 0.529 | -0.52 | 3.713 | 0.969 | -1.442 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_rigid_bond_restr | 10.582 |
r_dihedral_angle_3_deg | 7.704 |
r_lrange_other | 7.365 |
r_lrange_it | 6.932 |
r_scangle_other | 6.4 |
r_scangle_it | 6.302 |
r_dihedral_angle_1_deg | 5.671 |
r_scbond_other | 5.532 |
r_scbond_it | 5.289 |
r_angle_refined_deg | 1.928 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 38 |
Nucleic Acid Atoms | |
Solvent Atoms | 2 |
Heterogen Atoms | 20 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
XSCALE | data scaling |
XDS | data reduction |
SHELXD | phasing |