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X-ray crystal structure of a de novo designed single-chain parallel coiled-coil alpha-helical barrel with 6 inner helices, sc-CC-6-95
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293.15 75% JCSG A6: 0.2 M lithium sulfate, 0.1 M phosphate-citrate pH 4.2, 20% PEG 1000.
25% Structure Screen 1 & 2 A11: 0.2 M
calcium chloride dihydrate, 0.1 M sodium acetate, pH 4.6, 20% w/v 2-propanol
Crystal Properties Matthews coefficient Solvent content 2.2 44.17
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 88.95 α = 90 b = 88.95 β = 90 c = 149.518 γ = 90
Symmetry Space Group P 43 21 2
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 0.99990 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 2.8 57.98 99.83 0.1387 0.1402 0.02015 0.999 15.29 49.9 15396 69.96
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 2.8 2.9 99.07 0.6924 0.6993 0.0976 0.972 1.87 50.6
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 MOLECULAR REPLACEMENT FREE R-VALUE 2.8 57.98 1.34 15385 768 99.84 0.2276 0.2253 0.2272 0.2719 0.2721 74.95
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 9.903 f_angle_d 0.654 f_chiral_restr 0.038 f_bond_d 0.005 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3833 Nucleic Acid Atoms Solvent Atoms 4 Heterogen Atoms 27
Software Software Software Name Purpose PHENIX refinement DIALS data scaling PHASER phasing DIALS data reduction