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Crystal Structure of the Amyloid-like VTQVGF segment from the R5 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 3.0 M Sodium chloride and 0.1 M BIS-Tris pH 5.5
Crystal Properties Matthews coefficient Solvent content 1.42 13.14
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 4.81 α = 65.82 b = 19.34 β = 83.72 c = 21.9 γ = 83.2
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 PILATUS3 2M 2015-09-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-2 0.8729 ESRF ID23-2
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 1.7 19.93 98.4 0.275 0.298 0.979 5.02 6.923 776 16.637
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 1.7 1.82 99.3 0.442 0.481 0.904 3.18 6.522
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 1.7 19.93 698 78 98.98 0.1235 0.1226 0.1363 0.132 0.1481 RANDOM 9.47
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] 0.89 0.03 0.14 -0.2 -0.36 -0.58
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 30.365 r_dihedral_angle_3_deg 5.056 r_dihedral_angle_1_deg 2.84 r_angle_refined_deg 1.529 r_angle_other_deg 0.861 r_chiral_restr 0.069 r_bond_other_d 0.021 r_bond_refined_d 0.017 r_gen_planes_refined 0.007 r_gen_planes_other
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 92 Nucleic Acid Atoms Solvent Atoms 6 Heterogen Atoms
Software Software Software Name Purpose XDS data reduction XSCALE data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction