6R7Y

CryoEM structure of calcium-bound human TMEM16K / Anoctamin 10 in detergent (low Ca2+, closed form)


ELECTRON MICROSCOPY
Sample
Anoctamin 10
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot for 4.5sec prior to plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles53880
Reported Resolution (Å)4.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement TargetCorrelation coef
Overall B Value176
Fitting Procedure
DetailsRefined using phenix.real_space_refine with NCS constraints and model reference restraints used (PDB id: TBC) against RELION3 post-processed map.
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)56.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2750
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
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 SELECTIONGautomatch0.53
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1.5
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTRELION3
FINAL EULER ASSIGNMENTRELION3
CLASSIFICATIONRELION3
RECONSTRUCTIONRELION3
MODEL REFINEMENTPHENIX1.14
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION102669Particles count after a single round of 2D classification