5W4I
X-ray crystallographic structure of a beta-hairpin peptide mimic derived from Abeta 16-36. Rigaku data set. (ORN)KLV(MEA)FAE(ORN)AIIGLMV.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 296.15 | 0.1 M HEPES sodium buffer (pH 7.5), 0.2 M sodium citrate, 22% isopropanol |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.41 | 48.89 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 67.746 | α = 90 |
b = 67.746 | β = 90 |
c = 67.746 | γ = 90 |
Symmetry | |
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Space Group | P 4 3 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 | 133 | CCD | RIGAKU SATURN 92 | 2016-06-18 | 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 | |||||||||||||||||||
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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 | 2.026 | 19.56 | 99.9 | 0.03415 | 24.3 | 36.8 | 3808 |
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 | 2.026 | 2.098 | 99.8 | 0.2676 | 2.1 | 17.2 |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | |||||
X-RAY DIFFRACTION | SAD | FREE R-VALUE | 2.026 | 19.557 | 1.35 | 3806 | 663 | 99.79 | 0.2128 | 0.2088 | 0.22 | 0.2466 | 0.26 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 28.321 |
f_angle_d | 1.156 |
f_chiral_restr | 0.069 |
f_bond_d | 0.005 |
f_plane_restr | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 375 |
Nucleic Acid Atoms | |
Solvent Atoms | 32 |
Heterogen Atoms | 8 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
Aimless | data scaling |
PHASER | phasing |