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THE AB INITIO STRUCTURE DETERMINATION AND REFINEMENT OF A SCORPION PROTEIN TOXIN
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.8 pH 6.8
Crystal Properties Matthews coefficient Solvent content 1.96 36.43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.9 α = 90 b = 40.7 β = 90 c = 30.1 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 287 IMAGE PLATE MARRESEARCH NA 1994-06-26 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 0.72, 0.92 EMBL/DESY, HAMBURG X31
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 0.964 16 91 0.073 6.7 6 31001 7.23
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 0.96 0.99 80 0.543 1.3
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION DIRECT METHODS 0.96 8 2 31001 30609 88 0.158 0.1538 10.72
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 p_transverse_tor 19.5 p_staggered_tor 12.6 p_planar_tor 4.9 p_scangle_it 2.37 p_scbond_it 1.692 p_mcangle_it 1.523 p_mcbond_it 1.106 p_xhyhbond_nbd 0.485 p_multtor_nbd 0.201 p_singtor_nbd 0.192
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 19.5 p_staggered_tor 12.6 p_planar_tor 4.9 p_scangle_it 2.37 p_scbond_it 1.692 p_mcangle_it 1.523 p_mcbond_it 1.106 p_xhyhbond_nbd 0.485 p_multtor_nbd 0.201 p_singtor_nbd 0.192 p_xyhbond_nbd 0.148 p_chiral_restr 0.127 p_planar_d 0.041 p_plane_restr 0.041 p_angle_d 0.03 p_bond_d 0.014 p_hb_or_metal_coord 0.011 p_angle_deg p_orthonormal_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 500 Nucleic Acid Atoms Solvent Atoms 129 Heterogen Atoms
Software Software Software Name Purpose MOSFILM data collection ROTAVATA data reduction Agrovata data reduction SHAKE-N-BAKE model building PROFFT refinement MOSFLM data reduction CCP4 data scaling ROTAVATA data scaling SHAKE-N-BAKE phasing