8CYI

Cryo-EM structures and computational analysis for enhanced potency in MTA-synergic inhibition of human protein arginine methyltransferase 5


ELECTRON MICROSCOPY
Sample
Complex of PRMT5 and MEP50 in the presence of MTA and a novel inhibitor (11-2F)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles207392
Reported Resolution (Å)3.14
Resolution Method
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryD2
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value68
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1500
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeDARK FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcisTEM1.0.0 beta
IMAGE ACQUISITIONLeginon
CTF CORRECTIONCTFFIND4
MODEL FITTINGISOLDE
INITIAL EULER ASSIGNMENTcisTEM1.0.0 beta
FINAL EULER ASSIGNMENTcisTEM1.0.0 beta
CLASSIFICATIONcisTEM1.0.0 beta
RECONSTRUCTIONcisTEM1.0.0 beta
MODEL REFINEMENTPHENIX1.2
MODEL REFINEMENTISOLDE1.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION