4PM1
Human transthyretin (TTR) complexed with 16-alpha-bromo-estradiol
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3GS4 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.2 | 293 | Protein: 5 mg/ml TTR dialysed against 0.1 M NaCl, 0.05M Na acetate, pH 5.5. Precipitant:: 70% (30% PEG 4000, 0.2M imidazole malate, pH 6.0) 30% (18% monomethyl PEG 2000, 0.1 M sodium cacodylate, pH 6.5). Cryoprotectant: 40% (25 % diethylene glycol + 12.5 % MPD + 37.5 % 2,3-butanediol + 12.5 % 1,4-dioxane) 50% (12.5% MPEG 5K, 25% MPEG 550) 0.1 M (mixed Na propionate, Na cacodylate, Bis-Tris-propane 50% at pH 4.0 and 50% pH 9.5) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.14 | 42.53 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 43.202 | α = 90 |
b = 86.134 | β = 90 |
c = 63.395 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 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 | 100 | PIXEL | DECTRIS PILATUS 6M | 2014-01-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | 0.87 | ESRF | ID23-1 |
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 | 1.23 | 43.067 | 98 | 0.118 | 0.111 | 11.73 | 9.32 | 69505 | 68116 | -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 | 1.23 | 1.27 | 96.4 | 1.22 | 1.88 | 9.58 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3GS4 | 1.23 | 43.067 | 1.34 | 68063 | 3416 | 98 | 0.1784 | 0.1767 | 0.2106 | Random |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 16.062 |
f_angle_d | 1.304 |
f_chiral_restr | 0.05 |
f_bond_d | 0.007 |
f_plane_restr | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1794 |
Nucleic Acid Atoms | |
Solvent Atoms | 334 |
Heterogen Atoms | 50 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
REFMAC | refinement |
Coot | model building |
XDS | data scaling |
XSCALE | data scaling |
ADSC | data collection |