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Methyl-coenzyme M reductase activation complex without the A2 component
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Sample Methyl-coenzyme M reductase activation complex without A2 component
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE-PROPANE Sample Vitrification Details Vitrification setup inside a Coy Lab's Vinyl Anaerobic Chamber to preserve the protein sample under strict anaerobic conditions (95% O2 / 5% H2).
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 349437 Reported Resolution (Å) 2.78 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details Rigid body fitting in Chimera and Coot. Further real-space refinement in Phenix.
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 165000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC v4 IMAGE ACQUISITION cryoSPARC v4 CTF CORRECTION cryoSPARC MODEL FITTING UCSF Chimera 1.17.3 MODEL FITTING Coot MODEL REFINEMENT PHENIX CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1557902 1023667 from non tilted and 534235 from pretilted datasets