7DSV

Structure of a human NHE1-CHP1 complex under pH 6.5


ELECTRON MICROSCOPY
Sample
Human NHE1-CHP1 complex under pH 6.5
Sample Components
Sodium/protein exchanger 1 (NHE1)
Calcineurin B homologous protein 1 (CHP1)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles100503
Reported Resolution (Å)3.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolAB INITIO MODEL
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 TALOS ARCTICA
Minimum Defocus (nm)1200
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification13000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONGautomatch0.56
PARTICLE SELECTIONTopaz0.2.3
IMAGE ACQUISITIONSerialEM3.6
CTF CORRECTIONGctf
MODEL FITTINGCoot0.89
MODEL REFINEMENTPHENIX1.18
INITIAL EULER ASSIGNMENTRELION3.1
INITIAL EULER ASSIGNMENTcryoSPARC2.15
FINAL EULER ASSIGNMENTRELION3.1
RECONSTRUCTIONRELION3.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION