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Crystal structure of mutant AChBP in complex with strychnine (T53F, Q74R, Y110A, I135S, W164F)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2XYS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293 Rservoir contained .0.1 M MgCl2, 25% PEG 3350. Protein buffer 50 mM tris, 250 mM NaCl, 0.5 mM strychnine. Cryo 30 % glycerol
Crystal Properties Matthews coefficient Solvent content 2.4 48.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.87 α = 90 b = 74.87 β = 90 c = 185.425 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 150 PIXEL DECTRIS PILATUS 6M-F 2015-03-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I04-1 0.91739 Diamond I04-1
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 2.6 37.43 99 0.131 9.1 5.3 35443 35.22
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.6 2.72 95.5 0.719 0.601 2.2 5.2
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2xys 2.6 37.43 33722 1676 99.02 0.19013 0.18827 0.22705 0.2058 RANDOM 49.983
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] 1.65 0.82 1.65 -5.34
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.518 r_dihedral_angle_4_deg 17.462 r_dihedral_angle_3_deg 14.622 r_long_range_B_refined 7.78 r_long_range_B_other 7.78 r_dihedral_angle_1_deg 6.531 r_scangle_other 5.542 r_mcangle_it 5.089 r_mcangle_other 5.089 r_scbond_it 3.495
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.518 r_dihedral_angle_4_deg 17.462 r_dihedral_angle_3_deg 14.622 r_long_range_B_refined 7.78 r_long_range_B_other 7.78 r_dihedral_angle_1_deg 6.531 r_scangle_other 5.542 r_mcangle_it 5.089 r_mcangle_other 5.089 r_scbond_it 3.495 r_scbond_other 3.495 r_mcbond_it 3.24 r_mcbond_other 3.23 r_angle_refined_deg 1.422 r_angle_other_deg 0.916 r_chiral_restr 0.072 r_bond_refined_d 0.01 r_gen_planes_refined 0.005 r_bond_other_d 0.002 r_gen_planes_other 0.001 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8225 Nucleic Acid Atoms Solvent Atoms 113 Heterogen Atoms 201
Software Software Software Name Purpose REFMAC refinement iMOSFLM data reduction Aimless data scaling PHASER phasing