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Crystal structure of the complex of the extracellular domain of human alpha9 nAChR with alpha-bungarotoxin.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1D01 PDB ENTRIES 1D01, 2QC1 experimental model PDB 2QC1 PDB ENTRIES 1D01, 2QC1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 0.1 M MES PH 6.0, 0.2 M NACL, 30% W/V JEFFAMINE ED2003
Crystal Properties Matthews coefficient Solvent content 2.78 55.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.319 α = 90 b = 119.348 β = 103.02 c = 79.107 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 2013-08-30 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 2.7 47 99.5 0.11 9.9 5.1 21021 1 67.36
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 2.7 2.8 97 1.45 1 5.2
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 1D01, 2QC1 2.697 47.185 1.12 20942 2009 97.81 0.2617 0.2581 0.2781 0.3312 0.3479 104
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 18.072 f_angle_d 2.425 f_chiral_restr 0.101 f_bond_d 0.017 f_plane_restr 0.014
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4412 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 56
Software Software Software Name Purpose PHENIX refinement XDS data reduction SCALA data scaling PHASER phasing