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1.4A damaged structure of GSNQNNF used to determine initial phases from radiation damage
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6CLJ
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 4.88 α = 83.6 b = 14.17 β = 84.98 c = 17.62 γ = 83.31
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 1.4 78.1 0.199 0.21 0.982 8.67 8.745 722 10.108
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 1.4 1.51 79 0.272 0.287 0.963 6.6 9.383
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-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B ELECTRON CRYSTALLOGRAPHY THROUGHOUT 1.4 13.97 722 78.1 0.243 0.322 Rcomplete random 4.5087
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]
Software Software Software Name Purpose SHELX refinement XSCALE data scaling PDB_EXTRACT data extraction
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) Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 4.85 Length b 14.15 Length c 14.15 Angle Alpha 82.96 Angle Beta 85.43 Angle Gamma 82.96
Map-Model Fitting and Refinement Id 1 (6CLJ) Refinement Space RECIPROCAL Refinement Protocol OTHER Refinement Target Overall B Value 5 Fitting Procedure Details
Data Acquisition Detector Type TVIPS TEMCAM-F416 (4k x 4k) Electron Dose (electrons/Å**2) 0.00588
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
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE