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Structural analysis of the catalytic domain of tetanus neurotoxin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1F82
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.2 293 PEG 4000, magnesium chloride, hepes buffer, pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.53 52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 106.61 α = 90 b = 177.28 β = 90 c = 54.55 γ = 90
Symmetry Space Group C 2 2 2
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 BRANDEIS - B4 Mirrors 2004-05-01 M MAD 2 1 x-ray 100 CCD ADSC QUANTUM 315 Mirrors 2004-09-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12C 1.2810, 1.2824 NSLS X12C 2 SYNCHROTRON NSLS BEAMLINE X25 1.10 NSLS X25
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 1,2 2.4 50 99.4 0.12 7.5 9.4 20639 20639 47
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.4 2.49 99.1 7 9.3 2001
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD and Molecular replacement THROUGHOUT 1F82 2.6 50 15170 15170 1033 92.7 0.2182 0.2167 0.2763 0.2734 Random 46.6
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] 13.339 20.489 -33.828
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.338 c_mcangle_it 1.918 c_scbond_it 1.488 c_angle_deg 1.36447 c_mcbond_it 1.114 c_bond_d 0.008306
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3222 Nucleic Acid Atoms Solvent Atoms 113 Heterogen Atoms 1
Software Software Software Name Purpose CBASS data collection SCALEPACK data scaling SOLVE phasing CNS refinement SHARP phasing