7UT1

Higher-order assembly of multiple MMTV strand transfer complex intasomes


ELECTRON MICROSCOPY
Sample
Higher-order assembly of multiple MMTV strand transfer complex intasomes
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsCryo-EM grids were prepared by freezing using a manual plunger in cold room at 4C
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles86379
Reported Resolution (Å)3.8
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 TargetCC
Overall B Value
Fitting Procedure
DetailsMMTV STC intasomes were rigid body docked into the EM map in Chimera, and the complex was subjected to a refinement in Phenix.
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)67
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
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 Magnification22500
Calibrated Magnification38167
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC2.4
IMAGE ACQUISITIONLeginon
CTF CORRECTIONcryoSPARC3.0
MODEL FITTINGPHENIXdev-4213-000
INITIAL EULER ASSIGNMENTcryoSPARC2.4
FINAL EULER ASSIGNMENTcryoSPARC2.4
RECONSTRUCTIONcryoSPARC3.0
MODEL REFINEMENTCoot
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1048508