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X-ray structure of Acetylcholine binding protein from Aplysia californica in presence of 3-((S)-azetidin-2-ylmethoxy)-5-((1S,2R)-2-(2-methoxyethyl)cyclopropyl)pyridine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2WN9 PDB ENTRY 2WN9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293 0.1M Tris HCl,7.5, 15% PEG 4000 and 0.2M MgCl2 . , VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.89 57.39
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 137.27 α = 90 b = 139.735 β = 90 c = 146.399 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray CCD MARMOSAIC 300 mm CCD 2011-10-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-G 0.97856 APS 21-ID-G
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 2.2 200 99.8 0.096 7 7.2 142663
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.24 98.7 0.849 6.7 6953
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 2WN9 2.2 101.08 142574 7147 99.79 0.1997 0.1972 0.1966 0.2462 0.2454 RANDOM 42.362
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] -0.9 3.2 -2.3
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.014 r_dihedral_angle_4_deg 19.81 r_dihedral_angle_3_deg 15.646 r_dihedral_angle_1_deg 6.939 r_angle_refined_deg 1.757 r_chiral_restr 0.105 r_bond_refined_d 0.012 r_gen_planes_refined 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 16773 Nucleic Acid Atoms Solvent Atoms 822 Heterogen Atoms 270
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling MOLREP phasing