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Crystal Structure of apo form (Zinc removed) of the Botulinum Neurotoxin Type C Light Chain
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2QN0 PDB entry 2QN0
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5 293 1.5 M SODIUM FORMATE, 0.1 M SODIUM CITRATE, 0.1M CALCIUM CHLORIDE, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 4.29 71.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 106.74 α = 90 b = 106.74 β = 90 c = 140.24 γ = 120
Symmetry Space Group P 31 2 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 210 mirrors 2008-02-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12C 0.979 NSLS X12C
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 1.95 50 99.7 0.056 22.3 13.5 67643 67643 15
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) 1.95 2.02 96.8 0.273 3 11.4 6473
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 2QN0 1.95 49.88 65812 65812 3362 97.2 0.194 0.194 0.1932 0.2 0.1998 RANDOM 26.9
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] 1.96 1.2 1.96 -3.92
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.5 c_angle_deg 1.3 c_improper_angle_d 0.78 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 23.5 c_angle_deg 1.3 c_improper_angle_d 0.78 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 3498 Nucleic Acid Atoms Solvent Atoms 485 Heterogen Atoms 6
Software Software Software Name Purpose CNS refinement CBASS data collection HKL-2000 data reduction HKL-2000 data scaling MOLREP phasing