X-ray crystal structure of Lymnaea stagnalis acetylcholine binding protein (Ls-AChBP) in complex with 5-Fluoronicotine (TI-4650)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 293 | 0.26 M ammonium phosphate, 35% glycerol | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.52 | 51.1 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 82.47 | α = 90 |
| b = 129.04 | β = 106.28 |
| c = 122.43 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 88 | CCD | ADSC QUANTUM 315r | 2011-05-13 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 8.2.2 | 0.97950 | ALS | 8.2.2 |
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 | 2.4 | 55.16 | 99.6 | 0.095 | 15.9 | 7.6 | 95633 | 42.56 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2.4 | 2.46 | 98.2 | 0.8 | 0.351 | 2.7 | 6.5 | 6913 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB entries 4ZJT & 4ZK1 | 2.4 | 55.16 | 1.34 | 95579 | 4792 | 99.5 | 0.2 | 0.198 | 0.2 | 0.248 | 0.25 | 53.35 | |||||
| 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 | 14.039 |
| f_angle_d | 1.272 |
| f_chiral_restr | 0.047 |
| f_bond_d | 0.01 |
| f_plane_restr | 0.006 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 15410 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 329 |
| Heterogen Atoms | 182 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| xia2 | data scaling |
| PDB_EXTRACT | data extraction |
| xia2 | data reduction |
| PHASER | phasing |














