7TYR

Cryo-EM structure of the basal state of the Artemis:DNA-PKcs complex (see COMPND 13/14)


ELECTRON MICROSCOPY
Sample
A complex of Artemis:DNA-PKcs
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification DetailsPlunge-freeze was performed using a home-made manual plunger at typical indoor humidity (Los Angeles, CA) and at room temperature.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles103485
Reported Resolution (Å)3.33
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (5LUQ)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)750
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification46296
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONDigitalMicrograph3.32.2403.0
MODEL FITTINGCoot0.9.6
MODEL REFINEMENTPHENIXdev-4383-000
RECONSTRUCTIONcryoSPARC3.2.0+210511
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION