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Structural mechanisms for alpha-conotoxin selectivity at the human alpha3beta4 nicotinic acetylcholine receptor
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3ZDH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.3 293 0.871 M ammonium sulphate, 7.55% PEG 3350, 2-propanol 7.45% and ammonium acetate 0.1 M pH 4.3
Crystal Properties Matthews coefficient Solvent content 2.17 43.39
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 115.94 α = 90 b = 124.5 β = 90 c = 154.21 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 210r 2014-04-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX1 0.95370 Australian Synchrotron MX1
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 2.8 51.4 96.9 0.137 14.6 11.4 26929 62.31
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 3ZDH 2.8 48.44 26898 1354 96.69 0.219 0.2176 0.2242 0.2451 0.2483 RANDOM 70
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] -36.1287 12.4273 23.7014
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 18.78 t_omega_torsion 2.75 t_angle_deg 1 t_bond_d 0.007 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 18.78 t_omega_torsion 2.75 t_angle_deg 1 t_bond_d 0.007 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8622 Nucleic Acid Atoms Solvent Atoms 85 Heterogen Atoms
Software Software Software Name Purpose BUSTER refinement iMOSFLM data reduction Aimless data scaling PHASER phasing