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THERMODYNAMIC ANALYSIS OF ALPHA-SPECTRIN SH3 AND TWO OF ITS CIRCULAR PERMUTANTS WITH DIFFERENT LOOP LENGTHS: DISCERNING THE REASONS FOR RAPID FOLDING IN PROTEINS
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1SHG
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 4 pH 4
Crystal Properties Matthews coefficient Solvent content 2.5 50
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 33 α = 90 b = 42.4 β = 90 c = 49.7 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 MAR scanner 180 mm plate M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 OTHER
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 1.77 15 99.8 0.05 25.1 6.1 7163 18.9
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) 1.77 1.8 96.8 0.2 5.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1SHG 1.77 14.5 7159 335 99.8 0.189 0.187 0.246 RANDOM 22.9
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 48.6 p_staggered_tor 15 p_special_tor 15 p_planar_tor 3.7 p_scangle_it 2.375 p_mcangle_it 2.094 p_scbond_it 1.569 p_mcbond_it 1.223 p_multtor_nbd 0.263 p_xyhbond_nbd 0.217
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 48.6 p_staggered_tor 15 p_special_tor 15 p_planar_tor 3.7 p_scangle_it 2.375 p_mcangle_it 2.094 p_scbond_it 1.569 p_mcbond_it 1.223 p_multtor_nbd 0.263 p_xyhbond_nbd 0.217 p_singtor_nbd 0.195 p_chiral_restr 0.094 p_angle_d 0.029 p_planar_d 0.028 p_plane_restr 0.02 p_bond_d 0.011 p_angle_deg p_hb_or_metal_coord p_xhyhbond_nbd p_orthonormal_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 504 Nucleic Acid Atoms Solvent Atoms 88 Heterogen Atoms
Software Software Software Name Purpose AMoRE phasing REFMAC refinement DENZO data reduction SCALEPACK data scaling