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X-ray crystal structure of a de novo designed single-chain antiparallel 6-helix coiled-coil alpha-helical barrel, sc-apCC-6-LLIA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 0.2 M potassium formate, 20% w/v PEG 3350
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 34.549 α = 90 b = 60.875 β = 90 c = 77.949 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 100 PIXEL DECTRIS PILATUS 6M 2023-05-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I24 1 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 2.25 47.98 99.64 0.02253 0.03186 0.02253 0.999 9.72 2 8255 46.4
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 2.25 2.33 0.2053 0.2903 0.2053 0.927 3
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 2.25 47.98 1.35 8231 373 99.71 0.2498 0.2484 0.2482 0.2774 0.2745 58.91
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 2.1551 f_angle_d 0.2557 f_chiral_restr 0.0249 f_bond_d 0.001 f_plane_restr 0.0006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 952 Nucleic Acid Atoms Solvent Atoms 3 Heterogen Atoms 17
Software Software Software Name Purpose PHENIX refinement AutoProcess data reduction AutoProcess data scaling Arcimboldo phasing