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Crystal Structure of the Extracellular Domain of the Human Alpha9 Nicotinic Acetylcholine Receptor In Complex with Methyllycaconitine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4D01 PDB ENTRY 4D01
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 0.1 M HEPES PH 7.5, 15% PEG 20000, 7.5% ETHANOL
Crystal Properties Matthews coefficient Solvent content 3.1 61
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 63.434 α = 90 b = 66.246 β = 102.76 c = 75.191 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 100 PIXEL DECTRIS PILATUS 2M 2013-05-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06DA SLS X06DA
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 1.71 41.6 97.9 0.09 6.9 3.5 63697 1.4 18
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 1.71 1.77 94 0.84 1.4 3.5
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 ENTRY 4D01 1.71 41.606 1.33 63592 3232 96.67 0.2112 0.206 0.2143 0.2346 0.2345 22.3
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 16.898 f_angle_d 1.344 f_chiral_restr 0.059 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3416 Nucleic Acid Atoms Solvent Atoms 502 Heterogen Atoms 228
Software Software Software Name Purpose PHENIX refinement XDS data reduction SCALA data scaling PHASER phasing