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hnRNP A1 reversible amyloid core GFGGNDNFG (residues 209-217)
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 5.01 α = 90 b = 27.8 β = 90 c = 36.45 γ = 90
Symmetry Space Group P 21 21 21
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 ELECTRON CRYSTALLOGRAPHY FREE R-VALUE 0.96 3.967 1.36 5150 521 86.93 0.2349 0.2332 0.2537 0.2484 0.275
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 10.981 f_angle_d 1.044 f_chiral_restr 0.122 f_bond_d 0.014 f_plane_restr 0.006
Software Software Software Name Purpose PHENIX refinement
Sample 9-mer peptide from Heterogeneous nuclear ribonucleoprotein A1
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot 2 times
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 0.96 Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 5.01 Length b 27.8 Length c 27.8 Angle Alpha 90 Angle Beta 90 Angle Gamma 90
Map-Model Fitting and Refinement Id 1 Refinement Space RECIPROCAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details We have used the direct mehod of SHELXD to solve the structure
Data Acquisition Detector Type GATAN ULTRASCAN 4000 (4k x 4k) Electron Dose (electrons/Å**2) 0.05
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TECNAI F20 Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode DIFFRACTION Specimen Holder Model GATAN 626 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version MODEL FITTING Coot 0.8.2 MOLECULAR REPLACEMENT PHENIX 1.13-2998-000 RECONSTRUCTION SHELXD RECONSTRUCTION PHENIX RECONSTRUCTION Coot MODEL REFINEMENT PHENIX 1.13-2998-000
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE