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Structure and assembly of the mouse ASC filament by combined NMR spectroscopy and cryo-electron microscopy
SOLID-STATE NMR - ELECTRON MICROSCOPY
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 NCACX 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 2 NCOCX 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 3 NCACB 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 4 CANCO 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 5 CCC 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 6 NCA 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 7 NCO 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 8 20msDARR 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 9 N(CO)CACB 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 10 CAN(CO)CA 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 11 N(CA)CBCX 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288 12 100msPDSD 15 mg [U-100% 13C; U-100% 15N] ASC filament 90% H2O/10% D2O ambient 288
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 850
NMR Refinement Method Details Software simulated annealing XPLOR-NIH
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 chemical shift assignment CYANA Guntert, Mumenthaler and Wuthrich 2 data analysis CYANA Guntert, Mumenthaler and Wuthrich 3 structure solution CYANA Guntert, Mumenthaler and Wuthrich 4 refinement XPLOR-NIH Schwieters, Kuszewski, Tjandra and Clore
Sample Mouse ASC-PYD filament Sample Components ASC filament
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Grids were blotted for one second before plunging into liquid ethane (FEI VITROBOT MARK IV).
3D Reconstruction Reconstruction Method HELICAL Number of Particles Reported Resolution (Å) 4 Resolution Method FSC 0.5 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C3 Axial Rise 14.2 Angular Rotation 53
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type DIRECT ELECTRON DE-10 (5k x 4k) Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment 2014-10-10 Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) -12 Maximum Tilt Angle (degrees) 12 Nominal CS Imaging Mode DIFFRACTION Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 22500 Calibrated Magnification Source TUNGSTEN HAIRPIN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version RECONSTRUCTION EMAN 2 RECONSTRUCTION IHRSR RECONSTRUCTION SPIDER
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details CTFFIND3