7SX4

Human NALCN-FAM155A-UNC79-UNC80 channelosome with CaM bound, conformation 2/2


ELECTRON MICROSCOPY
Sample
Pentameric complex of the leak channel NALCN with FAM155A, Calmodulin, UNC79 and UNC80
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details3.5 sec blotting
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles56037
Reported Resolution (Å)3.5
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)64.009
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)1500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONGautomatch
IMAGE ACQUISITIONSerialEM3.7.11
CTF CORRECTIONCTFFIND4.1.13
INITIAL EULER ASSIGNMENTcisTEM1.02
FINAL EULER ASSIGNMENTcisTEM1.02
CLASSIFICATIONRELION3.1
RECONSTRUCTIONcisTEM1.02
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONselected micrographs with a CTF fit of 10.0 A or better