Neutron structure of human transthyretin (TTR) S52P mutant at room temperature to 1.8A 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 | 1.9M sodium malonate pD 6.4, 25mg/ml protein | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.2 | 44.17 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 43.778 | α = 90 |
| b = 86.299 | β = 90 |
| c = 65.534 | 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 | 2016-06-14 | L | LAUE | ||||||
| 2 | 1 | x-ray | 293 | PIXEL | DECTRIS PILATUS 6M-F | 2016-07-28 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | NUCLEAR REACTOR | ILL BEAMLINE LADI | 2.90-3.90 | ILL | LADI |
| 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 | 1.8 | 39.042 | 79.5 | 0.159 | 0.061 | 8.4 | 5.2 | 23338 | |||||||||||
| 2 | 1.8 | 33.54 | 98.7 | 0.048 | 0.021 | 33.4 | 6.5 | 18459 | |||||||||||
| 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 | 1.8 | 1.9 | 0.202 | 0.112 | 4.9 | 2.8 | |||||||||||||
| 2 | 1.8 | 1.9 | 0.07 | 0.029 | 20.5 | 6.6 | |||||||||||||
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 | 1.8 | 39.042 | 1.99 | 23338 | 2335 | 98.41 | 0.1762 | 0.1724 | 0.1752 | 0.2103 | 0.2138 | |||||||
| NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 1.8 | 33.54 | 18453 | 1847 | 77.82 | 0.2164 | 0.2114 | 0.2607 | ||||||||||
| 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 | 13.188 |
| f_dihedral_angle_d | 13.188 |
| f_angle_d | 1.628 |
| f_angle_d | 1.628 |
| f_chiral_restr | 0.074 |
| f_chiral_restr | 0.074 |
| f_bond_d | 0.015 |
| f_bond_d | 0.015 |
| f_plane_restr | 0.009 |
| f_plane_restr | 0.009 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1794 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 41 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| LAUEGEN | data reduction |
| XDS | data reduction |
| LSCALE | data scaling |
| SCALA | data scaling |
| Coot | model building |
| REFMAC | phasing |














