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THE 0.97 RESOLUTION STRUCTURE OF BUCANDIN, A NOVEL TOXIN ISOLATED FROM THE MALAYAN KRAIT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 298 iso-propanol, ammonium acetate, Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 1.91 35.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 76.97 α = 90 b = 22.52 β = 100.23 c = 32.6 γ = 90
Symmetry Space Group C 1 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 IMAGE PLATE MARRESEARCH 1999-03-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-1 SSRL BL9-1
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 0.97 32 99.5 0.054 10.9 3.5 33370 33370 13.6
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) 0.97 0.99 94.7 0.66 3 2329
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION 0.97 10 33339 33339 1636 99.6 0.1234 0.1234 0.1237 0.1226 0.177 5% random (with shelxpro) all reflections included on last refinement cycle
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 s_angle_d 2.26 s_bond_d 0.017
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 971 Nucleic Acid Atoms Solvent Atoms 118 Heterogen Atoms
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling SnB phasing SHELX model building SHELXL-97 refinement CCP4 data scaling SHELX phasing