Human transthyretin (TTR) complexed with (2,7-Dibromo-fluoren-9-ylideneaminooxy)-acetic acid
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4PM1 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 293 | Protein: 10mg/ml in .1 M NaCl, .050 M Na acetate, pH 5.5. Complex: 3 micro-L TTR + 3 micro-L 0.02% azide + 1 micro-L inhibitor (.001 M) Precipitant: 18% PEG4K, 9% PEG10K, 0.12 M imidazole malate pH 6.0, 0.04 M ammonium acetate, pH 4.5. Cryoprotectant: 10 % diethylene glycol + 5 % MPD + 15 % 2,3-butanediol + 5 % 1,4-dioxane, 12.5% MPEG 5K, 0.1 M mixed ( Na acetate, ADA, Bicine) 60% pH 4 / 40% pH 9) |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.14 | 42.4 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 43.222 | α = 90 |
| b = 85.961 | β = 90 |
| c = 63.348 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 2 |
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 PILATUS 6M-F | mirrors | 2014-01-30 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | 0.870060 | ESRF | ID23-1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1.41 | 50.996 | 99.9 | 0.088 | 0.083 | 17.26 | 9.09 | 46347 | 46322 | -3 | |||||||||
| 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 | 1.41 | 1.46 | 100 | 1.272 | 1.75 | 8.9 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 4PM1 | 1.41 | 42.981 | 1.34 | 46271 | 2343 | 99.94 | 0.1727 | 0.1714 | 0.17 | 0.1973 | 0.2 | Random selection | ||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 14.41 |
| f_angle_d | 1.296 |
| f_chiral_restr | 0.082 |
| f_plane_restr | 0.011 |
| f_bond_d | 0.007 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1786 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 196 |
| Heterogen Atoms | 25 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
| REFMAC | phasing |
| Coot | model building |














