4HFB
The GLIC pentameric Ligand-Gated Ion Channel F14'A ethanol-sensitive mutant (Apo)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4 | 291 | 12-15% PEG4K, 0.1M Na Acetate 0.4M NaSCN, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 5.31 | 76.8 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 183.737 | α = 90 |
| b = 133.512 | β = 103.28 |
| c = 161.12 | 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 | 100 | PIXEL | DECTRIS PILATUS 6M | Kirkpatrick-Baez pair of bi-morph mirrors plus channel cut cryogenically cooled monochromator crystal | 2011-09-20 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SOLEIL BEAMLINE PROXIMA 1 | 0.9801 | SOLEIL | PROXIMA 1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.75 | 48.6 | 98.8 | 0.044 | 0.028 | 15.6 | 3.4 | 97187 | 86.05 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2.75 | 2.9 | 96.7 | 0.63 | 0.401 | 2 | 3.4 | 13853 | |||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.75 | 30 | 97116 | 4833 | 98.81 | 0.2085 | 0.2078 | 0.2223 | RANDOM | 100.16 | |||||||
| 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] | |
| -10.5523 | 27.0855 | -3.9729 | 14.5251 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_omega_torsion | 3.26 |
| t_other_torsion | 3.12 |
| t_angle_deg | 1.08 |
| t_bond_d | 0.01 |
| t_dihedral_angle_d | |
| t_trig_c_planes | |
| t_gen_planes | |
| t_it | |
| t_nbd | |
| t_chiral_improper_torsion | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 12595 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 96 |
| Heterogen Atoms | 221 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| BUSTER | refinement |
| XDS | data reduction |
| SCALA | data scaling |
