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Crystal structure of botulinum neurotoxin type A complexed with monoclonal antibody AR2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3BTA PDB ENTRY 3BTA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.6 297 8% PEG 20000, 8% PEG 550 MME, 200 mM calcium acetate, 100 mM sodium acetate, pH 5.60, VAPOR DIFFUSION, SITTING DROP, temperature 297K
Crystal Properties Matthews coefficient Solvent content 3.58 65.63
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 97.965 α = 90 b = 197.596 β = 91.18 c = 146.105 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 CCD MARMOSAIC 300 mm CCD MIRRORS 2006-01-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D APS 23-ID-D
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 3.5 40 86.5 0.13 8.9 3.5 214725 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.5 3.63 59 0.45 1.7 2.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) 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 PDB ENTRY 3BTA 3.79 40 2 49884 49884 2686 95.5 0.227 0.224 0.2033 0.278 0.2422 RANDOM 84.12
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] -0.59 -0.1 0.88 -0.29
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.719 r_dihedral_angle_3_deg 19.868 r_dihedral_angle_4_deg 17.425 r_dihedral_angle_1_deg 7.767 r_scangle_it 1.607 r_angle_refined_deg 1.569 r_scbond_it 0.975 r_mcangle_it 0.866 r_mcbond_it 0.49 r_nbtor_refined 0.323
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.719 r_dihedral_angle_3_deg 19.868 r_dihedral_angle_4_deg 17.425 r_dihedral_angle_1_deg 7.767 r_scangle_it 1.607 r_angle_refined_deg 1.569 r_scbond_it 0.975 r_mcangle_it 0.866 r_mcbond_it 0.49 r_nbtor_refined 0.323 r_metal_ion_refined 0.296 r_nbd_refined 0.245 r_symmetry_vdw_refined 0.221 r_symmetry_hbond_refined 0.179 r_xyhbond_nbd_refined 0.173 r_chiral_restr 0.104 r_bond_refined_d 0.018 r_gen_planes_refined 0.005 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_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 26981 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 4
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling MOLREP phasing