☰ Navigation Tabs
Cryo-EM structure of catalytically active Spinacia oleracea cytochrome b6f in complex with endogenous plastoquinones at 2.7 A resolution
Sample Cytochrome b6f complex
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 97597 Reported Resolution (Å) 2.7 Resolution Method FSC 0.143 CUT-OFF Other Details Batchsize snrfactor tuned to 300 Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 900 Maximum Defocus (nm) 2100 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC v3.3.1 CTF CORRECTION cryoSPARC v3.3.1 INITIAL EULER ASSIGNMENT cryoSPARC v3.3.1 FINAL EULER ASSIGNMENT cryoSPARC v3.3.1 CLASSIFICATION cryoSPARC v3.3.1 RECONSTRUCTION cryoSPARC v3.3.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2 iteration in global CTF refinement, with an anisotropic mag. fitting 177412 given number of particles is after template picker and 2D cleaning