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Botulinum Neurotoxin A Light Chain WT Crystal Form B
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1XTF
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.8 293 10% PEG 2000 MME, 100 mM HEPES pH 7.8, 10 mM NiCl2, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.37 48.09
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 41.991 α = 90 b = 190.955 β = 90.09 c = 56.949 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 2006-04-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.1 1.20 ALS 8.2.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 42.44 53858 1 27.7
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-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1XTF 2 42.44 53667 2714 89 0.241 0.24 0.2524 0.277 RANDOM 42.9
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] -0.11 0.76 -4.09 4.2
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.3 c_angle_deg 1.2 c_improper_angle_d 0.82 c_bond_d 0.006 c_angle_d c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6732 Nucleic Acid Atoms Solvent Atoms 270 Heterogen Atoms 4
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling