Neutron structure of human transthyretin (TTR) S52P mutant in complex with tafamidis at room temperature to 2A resolution (quasi-Laue)
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 5CLX | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 293 | 2.3M sodium malonate pD 5.9 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.19 | 43.77 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 43.901 | α = 90 |
| b = 85.703 | β = 90 |
| c = 65.54 | 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 | neutron | 293 | IMAGE PLATE | LADI III | 2017-03-01 | L | LAUE | ||||||
| 2 | 1 | x-ray | 293 | PIXEL | DECTRIS PILATUS 6M-F | 2017-03-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | NUCLEAR REACTOR | ILL BEAMLINE LADI III | 2.7-3.6 | ILL | LADI III |
| 2 | SYNCHROTRON | ESRF BEAMLINE ID30B | 0.9763 | ESRF | ID30B |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | 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 | 43.9 | 71.9 | 0.121 | 0.07 | 6 | 2.6 | 17225 | 23.28 | ||||||||||
| 2 | 2 | 35.85 | 98.7 | 0.041 | 0.021 | 31 | 4.6 | 12103 | 19.34 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||
| 1 | 2 | 2.11 | 0.208 | 0.151 | 4 | 2.2 | |||||||||||||
| 2 | 2 | 2.11 | 0.046 | 0.023 | 23.3 | 4.7 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | 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 | 2 | 42.852 | 2.06 | 17192 | 1718 | 99.24 | 0.1612 | 0.1574 | 0.1592 | 0.1947 | 0.1962 | |||||||
| NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 2 | 35.866 | 12097 | 1211 | 69.83 | 0.2363 | 0.2313 | 0.2801 | ||||||||||
| 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 | 14.635 |
| f_dihedral_angle_d | 14.635 |
| f_angle_d | 1.975 |
| f_angle_d | 1.975 |
| f_chiral_restr | 0.088 |
| f_chiral_restr | 0.088 |
| f_bond_d | 0.017 |
| f_bond_d | 0.017 |
| f_plane_restr | 0.01 |
| f_plane_restr | 0.01 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1794 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 26 |
| Heterogen Atoms | 40 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| LAUEGEN | data reduction |
| XDS | data reduction |
| LSCALE | data scaling |
| SCALA | data scaling |
| REFMAC | phasing |
| Coot | model building |














