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Crystal structure of the catalytic domain of Botulinum neurotoxin serotype a with a snap-25 peptide
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 20% PEG8000, 0.2M Ammoium Sulfate, 0.1M Sodium Cacodylate, 5% Ethylene Glycol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.08 40.74
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 49.143 α = 90 b = 66.192 β = 99.09 c = 64.818 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 2008-03-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A 0.979 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 1.5 50 97.4 0.066 17 10.5 64562 64562 14.8
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) 1.5 1.54 80 0.248 2 3.6 4397
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 FOURIER SYNTHESIS THROUGHOUT PDB entry 3BWI 1.5 39.14 62883 62883 3193 95.7 0.183 0.183 0.1788 0.2 0.1968 RANDOM 16.3
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] 3.23 0.31 -1.48 -1.75
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.8 c_angle_deg 1.2 c_improper_angle_d 0.79 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 22.8 c_angle_deg 1.2 c_improper_angle_d 0.79 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 3472 Nucleic Acid Atoms Solvent Atoms 375 Heterogen Atoms 7
Software Software Software Name Purpose CNS refinement CBASS data collection HKL-2000 data reduction HKL-2000 data scaling CNS phasing