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 7RPJ | pdb_00007rpj

Cryo-EM structure of murine Dispatched NNN mutant


ELECTRON MICROSCOPY
Sample
Dispatched protein NNN mutant
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsWait time 20 seconds, blot time 4 seconds, blotting force 0
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles55982
Reported Resolution (Å)3.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value116.7
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)65.5
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 Magnification59880
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsAutomated data collection in SerialEM using 3x3 image shift pattern (one shot per hole), using beam tilt compensation. Low particle concentration necessitated targeting of hole edges.
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONcryoSPARC
CTF CORRECTIONRELION
MODEL FITTINGISOLDE
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTcryoSPARC
FINAL EULER ASSIGNMENTcryoSPARC
CLASSIFICATIONRELION
RECONSTRUCTIONcryoSPARC
MODEL REFINEMENTPHENIX
MODEL REFINEMENTISOLDE
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION3489403