The active form of a pentameric ion channel (sTeLIC) gated by alkaline pH - sTeLIC in complex with Cesium ions (Cs+)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | EVAPORATION | 292 | 150 mM MgCl2 20mM Tris pH 8.0 35% PEG 200 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 4.53 | 72.86 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 221.169 | α = 90 |
| b = 114.107 | β = 111.75 |
| c = 144.274 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 193 | PIXEL | PSI PILATUS 6M | 2016-07-07 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SOLEIL BEAMLINE PROXIMA 1 | 2.1 | SOLEIL | PROXIMA 1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 4.2 | 48.49 | 99.7 | 6.3 | 10.4 | 24499 | 42.35 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1 | 4.2 | 4.49 | |||||||||||||||||
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 (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | THROUGHOUT | 4.2 | 20 | 16341 | 819 | 67.2 | 0.225 | 0.225 | 0.25 | 0.234 | 0.25 | RANDOM | 46.98 | ||||||
| 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] | |
| 7.5287 | -22.1587 | -1.0363 | -6.4924 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_other_torsion | 18.68 |
| t_omega_torsion | 2.88 |
| t_angle_deg | 1.02 |
| t_bond_d | 0.008 |
| t_dihedral_angle_d | |
| t_incorr_chiral_ct | |
| t_pseud_angle | |
| t_trig_c_planes | |
| t_gen_planes | |
| t_it | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 12830 |
| Nucleic Acid Atoms | |
| Solvent Atoms | |
| Heterogen Atoms | 116 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| BUSTER | refinement |
| XDS | data reduction |
| XDS | data scaling |
| PHASER | phasing |














