8A5T

Capsid structure of the L-A helper virus from native viral communities


ELECTRON MICROSCOPY
Sample
Saccharomyces cerevisiae virus L-A
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot force 2 and blot time 6 s before plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles1020420
Reported Resolution (Å)3.78
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (1M1C)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsThe initial model was rigid-fitted by ChimeraX and refined by iterative cycles of Coot and PHENIX.
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)30
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS GLACIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification92000
Calibrated Magnification89297
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARCv3.3
IMAGE ACQUISITIONEPU2.11.1.11REL
CTF CORRECTIONcryoSPARCv.3.3
MODEL FITTINGUCSF ChimeraX1.3
MODEL REFINEMENTCoot0.9.6
MODEL REFINEMENTPHENIXdev-4379
CLASSIFICATIONcryoSPARCv3.3
RECONSTRUCTIONcryoSPARCv3.3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE2725140