8EDU

Mycobacteriophage Muddy capsid


ELECTRON MICROSCOPY
Sample
Mycobacterium phage Muddy
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles25244
Reported Resolution (Å)2.7
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
DetailsAmino acid sequence built into the map for a single major capsid protein and refined with Phenix. Model then used for rest of asymmetric unit and refi ...Amino acid sequence built into the map for a single major capsid protein and refined with Phenix. Model then used for rest of asymmetric unit and refined with Phenix. Final step involved using Isolde.
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification75000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU2.11
CTF CORRECTIONCTFFIND4.1
CTF CORRECTIONRELION3.1.1
MODEL FITTINGCoot0.9.4.1
INITIAL EULER ASSIGNMENTRELION3.1.1
FINAL EULER ASSIGNMENTRELION3.1.1
CLASSIFICATIONRELION3.1.1
RECONSTRUCTIONRELION3.1.1
MODEL REFINEMENTPHENIX1.19.2
MODEL REFINEMENTISOLDE1.3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONStandard CTF correction inside RELION's reconstruction.28207