5EZP
Human transthyretin (TTR) complexed with 4-hydroxy-chalcone
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4PMF |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293 | Protein: 5mg/ML in 0.05 M NaCl, 0.025 M Na acetate, pH 5.5 and 0.001 M 4-hydroxychalcone Reservoir: 30% PEG4K, 0.1M Tris-HCl, pH 8.5 4 boosts (5 M NaCl) Cryoprotectant: CryoSol SM1, 25% PEG 4K, 0.1 M (Na acetate, ADA, Bicine) Buffer 20% acid / 80% basic 0.01 M ligand. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.51 | 51.04 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 62.48 | α = 90 |
b = 62.48 | β = 90 |
c = 238.32 | γ = 120 |
Symmetry | |
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Space Group | P 31 |
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 315r | convex prefocussing mirror and a Kirkpatrick-Baez pair of focussing mirrors | 2015-07-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SOLEIL BEAMLINE PROXIMA 2 | 0.9801 | SOLEIL | PROXIMA 2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.5 | 50 | 99.5 | 0.21 | 0.19 | 8.52 | 5.5 | 35806 | 35643 | -3 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.5 | 2.65 | 97.8 | 1.72 | 1.15 | 5.15 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | 4PMF | 2.5 | 44.72 | 33860 | 1783 | 99.56 | 0.21173 | 0.20997 | 0.24467 | RANDOM | 50.257 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-1.14 | -0.57 | -1.14 | 3.69 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.66 |
r_dihedral_angle_4_deg | 22.141 |
r_dihedral_angle_3_deg | 16.771 |
r_long_range_B_refined | 7.533 |
r_long_range_B_other | 7.533 |
r_dihedral_angle_1_deg | 6.299 |
r_scangle_other | 4.455 |
r_mcangle_it | 4.002 |
r_mcangle_other | 4.001 |
r_scbond_it | 2.669 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7257 |
Nucleic Acid Atoms | |
Solvent Atoms | 329 |
Heterogen Atoms | 89 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MxCuBE | data collection |
XDS | data reduction |
XSCALE | data scaling |
PHASER | phasing |
Coot | model building |