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Crystal Structure of the Amyloid-like LNIYQY 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 HEPES pH 7.5, 20% v/v Jeffamine M-600, 10 mM of the TAIVVQ peptide
Crystal Properties Matthews coefficient Solvent content 1.35 8.88
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.18 α = 90 b = 4.82 β = 126.01 c = 26.69 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 1.85 13.32 96 0.189 0.225 0.975 3.46 3.506 462 23.727
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 1.85 2.07 98.4 0.463 0.529 0.891 2.31 4.181
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 1.85 13.32 415 46 97.26 0.178 0.1764 0.1878 0.191 0.2223 RANDOM 24.728
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] -0.49 1.07 -2.49 0.7
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.579 r_dihedral_angle_3_deg 8.709 r_dihedral_angle_1_deg 3.04 r_angle_refined_deg 1.506 r_angle_other_deg 1.09 r_chiral_restr 0.092 r_bond_other_d 0.041 r_bond_refined_d 0.023 r_gen_planes_refined 0.009 r_gen_planes_other
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 58 Nucleic Acid Atoms Solvent Atoms 1 Heterogen Atoms
Software Software Software Name Purpose XDS data reduction XSCALE data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction