5GJW

Structure of the mammalian voltage-gated calcium channel Cav1.1 complex for ClassII map


ELECTRON MICROSCOPY
Sample
voltage-gated calcium channel Cav1.1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsGrids were blotted for 2 s and flash-frozen in liquid ethane cooled by liquid nitrogen
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles123274
Reported Resolution (Å)3.9
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION1.4
IMAGE ACQUISITIONUCSFImage4
CTF CORRECTIONCTFFIND3
MODEL FITTINGChimera1.10.1
MODEL REFINEMENTPHENIXdev-2405
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 CORRECTION1630270