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Structure of Botulinum neurotoxin serotype C1 light chain protease
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2FPQ PDB entry 2FPQ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 277 1.6 M sodium formate and 0.1 M sodium citrate, pH 4.6-5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 4.71 73.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 107.01 α = 90 b = 107.01 β = 90 c = 140.39 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 MARMOSAIC 325 mm CCD 2006-04-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-2 1.192 SSRL BL9-2
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 1.75 40 92.4 0.075 55 7.4 93935 86796 19.6
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.75 1.81 55.6 0.399 2.5 5160
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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entry 2FPQ 1.75 38.67 84362 8463 89.6 0.188 0.188 0.1879 0.205 0.2049 RANDOM 27.4
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] 1.56 1.56 -3.13
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.1 c_scangle_it 3.12 c_mcangle_it 2.24 c_scbond_it 2.03 c_mcbond_it 1.43 c_angle_deg 1.2 c_improper_angle_d 0.79 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3473 Nucleic Acid Atoms Solvent Atoms 613 Heterogen Atoms 1
Software Software Software Name Purpose CNS refinement HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling PHASER phasing