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1.45 A MicroED structure of GSNQNNF at 3.8 e- / A^2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 4.86 α = 87.69 b = 13.88 β = 84.91 c = 17.93 γ = 81.64
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 2017-08-01
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B ELECTRON CRYSTALLOGRAPHY THROUGHOUT 1.45 13.73 585 59 77.68 0.22797 0.22015 0.30726 RANDOM 11.006
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] -1.75 0.03 -0.31 -0.83 -1.17 2.49
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 51.617 r_long_range_B_refined 23.063 r_long_range_B_other 22.848 r_dihedral_angle_3_deg 10.215 r_dihedral_angle_1_deg 6.129 r_angle_refined_deg 1.448 r_angle_other_deg 1.266 r_scangle_other 0.949 r_mcangle_it 0.818 r_mcangle_other 0.814
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 51.617 r_long_range_B_refined 23.063 r_long_range_B_other 22.848 r_dihedral_angle_3_deg 10.215 r_dihedral_angle_1_deg 6.129 r_angle_refined_deg 1.448 r_angle_other_deg 1.266 r_scangle_other 0.949 r_mcangle_it 0.818 r_mcangle_other 0.814 r_scbond_it 0.689 r_scbond_other 0.679 r_mcbond_it 0.444 r_mcbond_other 0.42 r_chiral_restr 0.088 r_bond_other_d 0.066 r_bond_refined_d 0.015 r_gen_planes_refined 0.006 r_gen_planes_other 0.001 r_dihedral_angle_4_deg r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Software Software Software Name Purpose REFMAC refinement XDS data reduction XSCALE data scaling
Sample Synthetic proto-filament
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 1.45 Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 4.86 Length b 13.88 Length c 13.88 Angle Alpha 81.64 Angle Beta 84.912 Angle Gamma 81.64
Map-Model Fitting and Refinement Id 1 Refinement Space RECIPROCAL Refinement Protocol OTHER Refinement Target Overall B Value 11.006 Fitting Procedure Details Electron scattering factors
Data Acquisition Detector Type TVIPS TEMCAM-F416 (4k x 4k) Electron Dose (electrons/Å**2) 0.00357
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 IMAGE ACQUISITION EM-Menu 4.0.9.75 MODEL REFINEMENT REFMAC 5.8.0194
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE