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Crystal structure of the acetylcholine binding protein (AChBP) from Lymnaea stagnalis in complex with NS3573 (1-(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, 2.0M Ammonium sulfate, 2% PEG 400, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.48 50.37
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 235.41 α = 90 b = 273.16 β = 90 c = 73.58 γ = 90
Symmetry Space Group P 21 21 2
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 2009-10-29 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 2.47 51.514 99.1 0.097 0.097 6.4 3.2 168353 28.3
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 2.47 2.61 98.1 0.355 0.355 2 3.1
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 2.47 51.51 1.34 169397 168237 8426 98.9 0.2 0.196 0.1855 0.236 0.2285 30.7
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] -7.8517 6.4523 1.3994
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.408 f_angle_d 1.011 f_chiral_restr 0.064 f_bond_d 0.008 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 32318 Nucleic Acid Atoms Solvent Atoms 1381 Heterogen Atoms 412
Software Software Software Name Purpose PHASER phasing PHENIX refinement MOSFLM data reduction SCALA data scaling