ELECTRON MICROSCOPY
Sample
human ether-a-go-go related K+ channel hERG
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsone blot: 3 second blot time, 0 blot force
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles213255
Reported Resolution (Å)3.7
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC4
Map-Model Fitting and Refinement
Id1
Refinement SpaceRECIPROCAL
Refinement ProtocolAB INITIO MODEL
Refinement TargetFourier Shell Correlation
Overall B Value140
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)85
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification38461
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION1.4
IMAGE ACQUISITIONSerialEM3.5
IMAGE ACQUISITIONDigitalMicrograph3
CTF CORRECTIONRELION1.4
CTF CORRECTIONCTFFIND4
MODEL FITTINGUCSF Chimera1.10.2
MODEL FITTINGCoot0.8.2
MODEL REFINEMENTREFMAC5.8
INITIAL EULER ASSIGNMENTRELION1.4
FINAL EULER ASSIGNMENTRELION1.4
CLASSIFICATIONRELION1.4
RECONSTRUCTIONRELION1.4
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION830000~830k particles from Autopick