9ENB

Human pseudouridine synthase 3 (PUS3 R116A mutant) and two tRNA-Gln


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 
Sample
Homodimer of human PUS3 and two tRNA-Gln
Sample Components
Pseudouridine synthase 3 (PUS3)
tRNA-Gln
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles569272
Reported Resolution (Å)2.66
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1
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)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)900
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 Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC4.1
MODEL FITTINGUCSF ChimeraX1.6
INITIAL EULER ASSIGNMENTcryoSPARC4.1
FINAL EULER ASSIGNMENTcryoSPARC4.1
CLASSIFICATIONcryoSPARC4.1
RECONSTRUCTIONcryoSPARC4.1
MODEL REFINEMENTPHENIX1.19.2-4158
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION3452930