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High resolution x-ray crystal structure of L-ShK toxin
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 292 2.1 M DL-Malic acid, pH 7, vapor diffusion, hanging drop, temperature 292K
Crystal Properties Matthews coefficient Solvent content 1.74 29.52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 41.161 α = 90 b = 49.491 β = 90 c = 27.77 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 6M 2012-03-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.688 APS 24-ID-C
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 1.059 50 98.3 0.093 4 7.3 13043
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 1.06 1.08 98.8 0.434 6.3
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 1.059 24.745 1.39 13002 644 97.87 0.1322 0.1308 0.1317 0.16 0.1589 13.5693
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.871 f_angle_d 1.275 f_chiral_restr 0.063 f_bond_d 0.008 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 278 Nucleic Acid Atoms Solvent Atoms 60 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction HKL-2000 data reduction HKL-2000 data scaling