3A4D
Crystal structure of Human Transthyretin (wild-type)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.3 | 293 | 200mM citrate, 3M ammonium sulfate, pH 5.3, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.16 | 42.98 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 85.84 | α = 90 |
| b = 43.084 | β = 90 |
| c = 64.29 | 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 | CCD | ADSC QUANTUM 270 | 2006-12-23 | ||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-17A | 1.0 | Photon Factory | BL-17A |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 50 | 0.095 | 36.2 | 16752 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | PDB ENTRY 1BMZ | 2 | 33.04 | 15872 | 846 | 99.79 | 0.17071 | 0.16783 | 0.22856 | RANDOM | 17.559 | ||||||
| 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] | |
| -0.47 | 0.1 | 0.37 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.577 |
| r_dihedral_angle_4_deg | 21.142 |
| r_dihedral_angle_3_deg | 18.066 |
| r_dihedral_angle_1_deg | 7.26 |
| r_scangle_it | 6.131 |
| r_scbond_it | 3.923 |
| r_mcangle_it | 2.464 |
| r_angle_refined_deg | 2.068 |
| r_mcbond_it | 1.739 |
| r_nbtor_refined | 0.319 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1785 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 121 |
| Heterogen Atoms | 28 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data collection |
| CNS | refinement |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| CNS | phasing |
