9R8L | pdb_00009r8l

Structure of human NHE6.0


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFoldQ92581 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.1986
f_angle_d0.5661
f_chiral_restr0.0404
f_plane_restr0.0054
f_bond_d0.0043
Sample
NHE6.0 dimer
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsSample vol 3ul; blot force -5; Blot time 7s; Wait time 30sec
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles52384
Reported Resolution (Å)3.2
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsFinal non-uniform refinement in cryoSPARC
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsInitial model fitted and manually rebuilt/refined in COOT and final refinement in ISOLDE and PHENIX
Data Acquisition
Detector TypeTFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailseBIC KriosIII
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONTopaz0.2.4
PARTICLE SELECTIONcryoSPARC3.3.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC3.3.1
MODEL FITTINGCoot0.9.8.93
MODEL FITTINGISOLDE1.3
INITIAL EULER ASSIGNMENTcryoSPARC3.3.1
FINAL EULER ASSIGNMENTcryoSPARC3.3.1
CLASSIFICATIONRELION4.0
RECONSTRUCTIONcryoSPARC3.3.1
MODEL REFINEMENTPHENIX1.21.1_5286
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1001670TOPAZ trained using classified CRYOLO-picked particles