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X-ray crystal structure of Lymnaea stagnalis acetylcholine binding protein (Ls-AChBP) in complex with 3-[2-[(2S)-pyrrolidin-2-yl]ethynyl]pyridine (TI-5180)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4ZJT PDB entries 4ZJT & 4ZK1 experimental model PDB 4ZK1 PDB entries 4ZJT & 4ZK1
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 2.49 50.51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 92.91 α = 90 b = 108.87 β = 95.31 c = 122.7 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 2010-08-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.2 1.00 ALS 8.2.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) 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 1.854 92.511 98.1 0.06 0.066 17.62 7.5 203061 -3 23.75
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.854 1.9 84.9 0.698 0.801 1.89
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 1.9 90 1.34 189522 9550 99.14 0.1726 0.1709 0.1743 0.2045 0.2055 26.2217
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 12.173 f_angle_d 1.095 f_chiral_restr 0.044 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 15908 Nucleic Acid Atoms Solvent Atoms 1550 Heterogen Atoms 300
Software Software Software Name Purpose PHENIX refinement XSCALE data scaling PDB_EXTRACT data extraction PHASER phasing xia2 data reduction