5FN2

Cryo-EM structure of gamma secretase in complex with a drug DAPT


ELECTRON MICROSCOPY
Sample
GAMMA SECRETASE
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsLIQUID ETHANE
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles51366
Reported Resolution (Å)4.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement TypeHALF-MAPS REFINED INDEPENDENTLY
Symmetry TypePOINT
Point SymmetryC1
Data Acquisition
Detector TypeGATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å**2)38
Imaging Experiment1
Date of Experiment2014-12-31
Temperature (Kelvin)85
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2700
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification81000
Calibrated Magnification35714
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details