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Cryo-EM of the sarco(endo)plasmic reticulum calcium ATPase (SERCA) in presence of calcium and compound UM-52 (bound)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ZBD
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.526 f_angle_d 0.354 f_chiral_restr 0.038 f_plane_restr 0.003 f_bond_d 0.002
Sample Sarco(endo)plasmic reticulum calcium ATPase
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 143855 Reported Resolution (Å) 3.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (2ZBD) Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type TFS FALCON 4i (4k x 4k) Electron Dose (electrons/Å**2) 1.19
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 1800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 165000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.6.2 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.6.2 MODEL FITTING Coot INITIAL EULER ASSIGNMENT cryoSPARC 4.6.2 FINAL EULER ASSIGNMENT cryoSPARC 4.6.2 RECONSTRUCTION cryoSPARC 4.6.2 MODEL REFINEMENT PHENIX 1.21_5207
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Patch CTF correction using cryoSPARC after patch motion correction 2573740