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Crystal structure of Tyr350Ala mutant of Clostridium botulinum neurotoxin E catalytic domain
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1T3A PDB entry 1T3A
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.6 298 ammonium sulfate, lithium sulfate, sodium citrate, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.67 48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 88.8 α = 90 b = 144.958 β = 90 c = 83.185 γ = 90
Symmetry Space Group P 21 21 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 ADSC QUANTUM 315 mirrors 2004-08-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 1.1 NSLS X25
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 2.4 50 99.9 0.08 9 5.9 42956 32
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) 2.4 2.49 99.4 0.44 3 4.7 4183
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-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 1T3A 2.4 46.54 39653 1206 92.8 0.235 0.2347 0.284 0.2838 RANDOM 48.7
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] 9.54 -15.02 5.49
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.9 c_scangle_it 2.79 c_mcangle_it 2.17 c_scbond_it 1.87 c_angle_deg 1.3 c_mcbond_it 1.29 c_improper_angle_d 0.75 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6303 Nucleic Acid Atoms Solvent Atoms 207 Heterogen Atoms 7
Software Software Software Name Purpose CNS refinement CBASS data collection HKL-2000 data scaling