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Crystal Structure of the Scorpion Toxin BmBKTtx1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 293 Sodium Formate, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal Properties Matthews coefficient Solvent content 1.77 30.56
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 21.397 α = 90 b = 39.695 β = 94.13 c = 29.368 γ = 90
Symmetry Space Group P 1 21 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 Osmic mirrors 2003-08-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5478
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.72 30 95.4 0.036 0.036 65.5 12.6 5064 5028 1 14.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.72 1.78 91.6 0.089 0.089 19 12.3 491
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 SIRAS THROUGHOUT 1.72 14.65 5028 5028 272 95.2 0.166 0.1665 0.224 0.2173 RANDOM 17.4
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] 1.94 -1.33 -1.59 -0.35
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23 c_scangle_it 2.49 c_scbond_it 1.59 c_angle_deg 1.5 c_mcangle_it 1.16 c_mcbond_it 0.72 c_improper_angle_d 0.68 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 480 Nucleic Acid Atoms Solvent Atoms 108 Heterogen Atoms
Software Software Software Name Purpose CNS refinement MAR345 data collection HKL-2000 data scaling XPREP data reduction SHELXD phasing SHARP phasing DM phasing