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X-ray crystal structure of a de novo designed parallel coiled-coil heterohexamer with 3 heptad repeats, CCHex2-AB-g
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 293 0.1 M Sodium HEPES 7.5 20 % v/v Jeffamine M-600
Crystal Properties Matthews coefficient Solvent content 2.27 45.86
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 32.676 α = 90 b = 94.612 β = 91.75 c = 51.116 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 PIXEL DECTRIS PILATUS3 6M 2021-08-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I24 0.9795 Diamond I24
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) 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 1.9 47.31 99.87 0.114 0.1189 0.03329 0.997 11.57 13.2 24363 29.29
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.971 99.26 0.2568 0.2673 0.0735 0.975 1.59 13.1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION AB INITIO PHASING FREE R-VALUE 1.9 47.31 1.44 24350 1134 99.87 0.2009 0.1997 0.2038 0.2265 0.2306 33.32
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 f_dihedral_angle_d 16.5059 f_angle_d 0.5661 f_chiral_restr 0.0332 f_plane_restr 0.0025 f_bond_d 0.0023
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1753 Nucleic Acid Atoms Solvent Atoms 79 Heterogen Atoms 79
Software Software Software Name Purpose PHENIX refinement DIALS data reduction DIALS data scaling Arcimboldo phasing