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Crystal structure of the acetylcholine binding protein (AChBP) from Lymnaea stagnalis in complex with NS3950 (1-(6-bromo-5-ethoxypyridin-3-yl)-1,4-diazepane)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1UW6 PDB ENTRY 1UW6: PENTAMER, CHAIN A-E
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8 293 50mM Tris, 1.9 M Ammonium sulfate, 3% PEG 400, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.47 50.17
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 239.12 α = 90 b = 73.11 β = 97.45 c = 271.84 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 CCD MAR CCD 165 mm 2010-03-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON MAX II BEAMLINE I911-2 MAX II I911-2
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 2.35 33.19 95.3 0.07 0.07 12.7 3.6 185432 25.2
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 2.35 2.48 82.8 0.191 0.191 5.7 3.5
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 ENTRY 1UW6: PENTAMER, CHAIN A-E 2.35 33.05 194530 185370 3742 95.3 0.198 0.197 0.1901 0.23 0.2239 27.2
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] -8.9971 3.2763 4.1251 4.872
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.197 f_angle_d 1.045 f_chiral_restr 0.066 f_bond_d 0.008 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 32294 Nucleic Acid Atoms Solvent Atoms 1825 Heterogen Atoms 412
Software Software Software Name Purpose PHASER phasing PHENIX refinement MOSFLM data reduction SCALA data scaling