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X-ray structure of the human Alpha4Beta2 nicotinic receptor
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model Other Homology model
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 287.15 0.05 M ADA pH 6.8, 12.5% PEG 1500 and 10% PEG 1000
Crystal Properties Matthews coefficient Solvent content 3.71 66.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 127.099 α = 90 b = 132.633 β = 90 c = 202.44 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 93.15 PIXEL DECTRIS PILATUS 6M-F 2016-02-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.9791 APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rpim 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 3.94 40 99.5 0.137 0.044 14.9 9.1 30759
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.94 4.01 97.8 0.716 0.547 1.1 7.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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 FREE R-VALUE Homology model 3.941 24.996 1.35 26718 1330 86.78 0.286 0.2849 0.2877 0.3074 0.3158
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 18.288 f_angle_d 0.745 f_chiral_restr 0.045 f_plane_restr 0.006 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 14705 Nucleic Acid Atoms Solvent Atoms 5 Heterogen Atoms 95
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing