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Crystal Structure of a novel neurotoxin from Buthus tamalus at 2.2A resolution.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.2 298 PROTEIN CONCENTRATION 7.5mg/ml, BUFFER TRIS-HCl 25 mM, PERCIPITANT 82% MPD, ADDITIVE 0.001 CaCl2, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal Properties Matthews coefficient Solvent content 2 38
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.871 α = 90 b = 21.001 β = 94.45 c = 52.451 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 298 IMAGE PLATE MARRESEARCH MIRROR 1999-06-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5418
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 2.2 15 88 0.094 8.2 5462 5286 15
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) 2.2 2.28 63 0.186 2
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-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2.2 14.92 5286 5166 120 88 0.206 0.205 0.205 0.225 RANDOM 14.1
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] -2.01 -0.42 3 -0.99
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25 c_scangle_it 5.01 c_mcangle_it 3.67 c_scbond_it 3.57 c_mcbond_it 2.54 c_angle_deg 1.4 c_improper_angle_d 1.02 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 980 Nucleic Acid Atoms Solvent Atoms 117 Heterogen Atoms
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing