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Crystal structure of the catalytic domain of botulinum neurotoxin serotype A with inhibitory peptide RRGC
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3BWI PDB entry 3BWI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 293 12% PEG 3350, 0.2M ammonium sulfate, 0.1M Bis-Tris, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.17 43.28
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.883 α = 90 b = 66.392 β = 98.28 c = 64.746 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 ADSC QUANTUM 315 mirrors 2007-07-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A 1.00 NSLS X29A
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 1.6 50 91.4 0.039 28.4 7 51491 51491 14.9
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 1.6 1.65 63 0.127 3 5.8 2938
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 (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 3BWI 1.6 32.04 50585 50585 2528 89.7 0.198 0.198 0.196 0.217 0.2114 RANDOM 23.2
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] 13.08 0.81 -6.29 -6.8
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.5 c_angle_deg 1.2 c_improper_angle_d 0.73 c_bond_d 0.005 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.5 c_angle_deg 1.2 c_improper_angle_d 0.73 c_bond_d 0.005 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3448 Nucleic Acid Atoms Solvent Atoms 344 Heterogen Atoms 12
Software Software Software Name Purpose CNS refinement CBASS data collection HKL-2000 data reduction HKL-2000 data scaling CNS phasing