3FR1
NFLVHS segment from Islet Amyloid Polypeptide (IAPP or Amylin)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 298 | 0.18M MgCl2, 0.09M HEPES pH 7.5, 27% isopropanol, and 10% glycerol, vapor diffusion, hanging drop, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.475554 | 16.641487 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 11.48 | α = 90 |
b = 9.552 | β = 90 |
c = 38.582 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 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 | 100 | CCD | ADSC QUANTUM 315 | 2008-04-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-E | 0.9792 | APS | 24-ID-E |
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 | 1.85 | 90 | 93.9 | 0.183 | 5.4 | 434 | 434 | -3 | 21.2 |
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) | |||||||||||
1.85 | 1.99 | 82.9 | 0.419 | 6.2 | 68 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.85 | 11 | 422 | 43 | 94.62 | 0.196 | 0.192 | 0.232 | RANDOM | 14.911 |
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] | |
-1.07 | -1.19 | 2.27 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 11.831 |
r_dihedral_angle_2_deg | 10.516 |
r_mcangle_it | 2.491 |
r_scangle_it | 2.051 |
r_dihedral_angle_1_deg | 1.805 |
r_mcbond_it | 1.476 |
r_scbond_it | 1.299 |
r_angle_refined_deg | 0.608 |
r_angle_other_deg | 0.546 |
r_mcbond_other | 0.369 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 51 |
Nucleic Acid Atoms | |
Solvent Atoms | 1 |
Heterogen Atoms | 1 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
ADSC | data collection |