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Ca2+ bound open-inactivated hSlo1 + beta2N-beta4 channel in detergent-conformation 3 of inactivating domain
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6V22
Sample Ca2+ bound BK channel complex of hSlo1 + beta2N-beta4 subunit Sample Components hSlo1 channel Inactivating beta2N-beta4 subunit chimera
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 41832 Reported Resolution (Å) 2.88 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6v22) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 48.45
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 3000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION crYOLO IMAGE ACQUISITION Leginon 3.7 CTF CORRECTION RELION 4.0.0 MODEL FITTING Coot 0.8.9 INITIAL EULER ASSIGNMENT RELION 4.0.0 FINAL EULER ASSIGNMENT RELION 4.0.0 CLASSIFICATION RELION 4.0.0 RECONSTRUCTION RELION 4.0.0 MODEL REFINEMENT PHENIX 1.21.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY