8R60

1918 H1N1 Viral polymerase heterotrimer in complex with 4 repeat serine-5 phosphorylated PolII peptide


ELECTRON MICROSCOPY
Sample
1918 H1N1 influenza virus heterotrimer in complex with a 4 repeat serine 5 phosphorylated peptide from PolII CTD
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles303608
Reported Resolution (Å)3.23
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (7NHX)
Refinement Space
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsRigid body fit of the polymerase heterotrimer 7NHX followed by model building of the PolII peptide
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION