Crystal structure of a solute receptor from Synechococcus CC9311 in complex with alpha-ketovaleric and calcium
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 295 | 0.02 M Sodium/Potassium Phosphate, 0.1M Bis Tris propane 7.5, 20% Peg 3350 Cryo: 30 % Peg 400 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.05 | 39.99 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 54.68 | α = 69.649 |
| b = 54.75 | β = 77.732 |
| c = 61.15 | γ = 67.267 |
| Symmetry | |
|---|---|
| Space Group | P 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 50 | PIXEL | DECTRIS PILATUS 12M | 2019-12-12 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I23 | 2.7552, 3.1790, 3.4925, 4.7686 | Diamond | I23 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 1.796 | 50.277 | 90.9 | 0.068 | 0.073 | 0.024 | 0.999 | 16.8 | 13.6 | 50762 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 9.06 | 50.23 | 0.039 | 0.041 | 0.012 | 0.999 | 23.3 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | SAD | FREE R-VALUE | 1.796 | 50.277 | 50762 | 2454 | 89.014 | 0.17 | 0.1687 | 0.18 | 0.1898 | 0.2 | 44.394 | ||||||
| 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] | |
| 2.341 | -1.224 | -0.948 | -1.642 | 1.715 | -0.183 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 32.739 |
| r_dihedral_angle_3_deg | 15.109 |
| r_dihedral_angle_4_deg | 13.801 |
| r_lrange_other | 8.054 |
| r_lrange_it | 8.05 |
| r_scangle_it | 6.79 |
| r_scangle_other | 6.79 |
| r_dihedral_angle_1_deg | 6.345 |
| r_mcangle_it | 5.008 |
| r_mcangle_other | 5.008 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 5159 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 255 |
| Heterogen Atoms | 26 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| Aimless | data scaling |
| CRANK2 | phasing |
| Coot | model building |














