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Crystal Structure of the Amyloid-like IYQYGG segment from the R1 repeat of the E. coli Biofilm-associated CsgA Curli protein
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model Other Ideal beta-strand
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 293 Reservoir contained 0.1 M Sodium acetate pH 4.6 and 2.0 M Sodium formate
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.17 α = 90 b = 4.76 β = 102.43 c = 19.6 γ = 90
Symmetry Space Group C 1 2 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 PILATUS 6M-F 2016-05-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2) 0.9763 PETRA III, EMBL c/o DESY P14 (MX2)
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim 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 1.65 19.14 97.3 0.099 0.111 0.996 8.66 5.231 545 19.055
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.65 1.85 100 0.326 0.359 0.977 3.21 5.901
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT Ideal beta-strand 1.65 19.14 489 55 97.32 0.1478 0.1449 0.152 0.1779 0.1891 RANDOM 11.969
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] -1.17 0.28 -0.81 1.69
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 22.763 r_dihedral_angle_3_deg 7.945 r_dihedral_angle_1_deg 4.87 r_angle_refined_deg 1.673 r_angle_other_deg 0.918 r_chiral_restr 0.11 r_bond_refined_d 0.019 r_gen_planes_refined 0.009 r_bond_other_d 0.002 r_gen_planes_other 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 50 Nucleic Acid Atoms Solvent Atoms 2 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement XDS data reduction XSCALE data scaling PHASER phasing PDB_EXTRACT data extraction