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Crystal structure of the ATP-gated human P2X3 ion channel in the ATP-bound, closed (desensitized) state
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 277.15 21% PEG 400, 100 mM Tris, pH 8.0, 325 mM Sodium Acetate, 100 mM NaCl
Crystal Properties Matthews coefficient Solvent content 5.27 76.65
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 172.14 α = 90 b = 172.14 β = 90 c = 172.14 γ = 90
Symmetry Space Group P 21 3
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 PILATUS3 S 6M 2013-11-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.979 APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.9 80 97.6 12.3 2.84 62472
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 2.9 76.983 1.1 62465 3118 85.55 0.2069 0.2052 0.2127 0.2398 0.237
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 16.875 f_angle_d 1.35 f_chiral_restr 0.061 f_bond_d 0.006 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5008 Nucleic Acid Atoms Solvent Atoms 92 Heterogen Atoms 216
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHASER phasing