7RHZ

Heterodimer of Cre recombinase mutants D33A/A36V/R192A and R72E/L115D/R119D in complex with loxP DNA.


ELECTRON MICROSCOPY
Sample
Heterodimer of Cre recombinase mutants D33A/A36V/R192A and R72E/L115D/R119D in complex with loxP DNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles256734
Reported Resolution (Å)4.48
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (2HOI)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement TargetCorrelation Coefficient
Overall B Value150.3
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 ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONTopaz
PARTICLE SELECTIONcryoSPARC3.0.1
IMAGE ACQUISITIONEPU2.7
CTF CORRECTIONcryoSPARC3.0.1
MODEL FITTINGISOLDE1.2
INITIAL EULER ASSIGNMENTcryoSPARC3.0.1
FINAL EULER ASSIGNMENTcryoSPARC3.0.1
RECONSTRUCTIONcryoSPARC3.0.1
MODEL REFINEMENTPHENIX1.19
MODEL REFINEMENTCoot0.9.4.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1277272