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Crystal structure of the chimeric muscarinic toxin MT7 with loop 1 from MT1.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2VLW PDB ENTRY 2VLW
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6 293 50mM sodium acetate, 0.02% NaN3, 1M ammonium sulfate, 90mM sodium citrate, 8% 1,6 hexanediol, 6% propanol, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 1.97 37.67
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 27.14 α = 90 b = 71.975 β = 90 c = 89.421 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 100 CCD ADSC QUANTUM 210 mirrors 2005-03-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-4 1.007 ESRF ID14-4
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 1.3 28.04 88.5 0.155 0.156 3 5.5 44204 39130 10.675
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.3 1.37 71.6 0.65 0.65 1.4 4.4 3729
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 PDB ENTRY 2VLW 1.3 28 38919 38919 2063 92.48 0.2156 0.2156 0.21466 0.214 0.23322 0.2315 RANDOM 18.626
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] -0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.119 r_dihedral_angle_4_deg 20.735 r_dihedral_angle_3_deg 14.202 r_dihedral_angle_1_deg 10.814 r_scangle_it 2.826 r_scbond_it 1.988 r_angle_refined_deg 1.367 r_mcangle_it 1.24 r_mcbond_it 0.948 r_nbtor_refined 0.304
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.119 r_dihedral_angle_4_deg 20.735 r_dihedral_angle_3_deg 14.202 r_dihedral_angle_1_deg 10.814 r_scangle_it 2.826 r_scbond_it 1.988 r_angle_refined_deg 1.367 r_mcangle_it 1.24 r_mcbond_it 0.948 r_nbtor_refined 0.304 r_nbd_refined 0.224 r_symmetry_vdw_refined 0.219 r_xyhbond_nbd_refined 0.172 r_symmetry_hbond_refined 0.16 r_chiral_restr 0.099 r_bond_refined_d 0.008 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1530 Nucleic Acid Atoms Solvent Atoms 514 Heterogen Atoms 10
Software Software Software Name Purpose ADSC data collection MOLREP phasing REFMAC refinement MOSFLM data reduction SCALA data scaling