X-ray crystal structure of Lymnaea stagnalis acetylcholine binding protein (LsAChBP) in complex with 2-Thiophenylmethylene Anabaseine (2TAB)
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1YI5 | PDB entries 1YI5, 1UV6, 1UW6, 1UX2, 2ZJU, 2ZJV |
| experimental model | PDB | 1UV6 | PDB entries 1YI5, 1UV6, 1UW6, 1UX2, 2ZJU, 2ZJV |
| experimental model | PDB | 1UW6 | PDB entries 1YI5, 1UV6, 1UW6, 1UX2, 2ZJU, 2ZJV |
| experimental model | PDB | 1UX2 | PDB entries 1YI5, 1UV6, 1UW6, 1UX2, 2ZJU, 2ZJV |
| experimental model | PDB | 2ZJU | PDB entries 1YI5, 1UV6, 1UW6, 1UX2, 2ZJU, 2ZJV |
| experimental model | PDB | 2ZJV | PDB entries 1YI5, 1UV6, 1UW6, 1UX2, 2ZJU, 2ZJV |
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 |
| 2.53 | 51.35 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 85.842 | α = 90 |
| b = 127.603 | β = 110.45 |
| c = 122.469 | 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 | 2011-12-20 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 8.2.1 | 1.0 | ALS | 8.2.1 |
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 | 1.74 | 50 | 96 | 0.077 | 0.077 | 23.8 | 7.1 | 248133 | -3 | ||||||||||
| 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 | 1.74 | 1.77 | 68.5 | 0.035 | 0.688 | 1.237 | 4.4 | ||||||||||||
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 1YI5, 1UV6, 1UW6, 1UX2, 2ZJU, 2ZJV | 1.85 | 49.985 | 1.34 | 209168 | 1738 | 99.53 | 0.1891 | 0.1888 | 0.2 | 0.2246 | 0.23 | 26.4473 | |||||
| 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 | 13.01 |
| f_angle_d | 1.332 |
| f_chiral_restr | 0.042 |
| f_bond_d | 0.007 |
| f_plane_restr | 0.005 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 16540 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 656 |
| Heterogen Atoms | 370 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| HKL-2000 | data collection |
| HKL-2000 | data scaling |
| PDB_EXTRACT | data extraction |
| HKL-2000 | data reduction |
| PHASER | phasing |














