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 33AS | pdb_000033as

T33-Fus-1A cage - Designed tetrahedral protein cage based on helical fusion and machine learning


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelOther 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.864
f_angle_d0.599
f_chiral_restr0.044
f_plane_restr0.005
f_bond_d0.003
Sample
T33-Fus-1A cage - Designed tetrahedral protein cage based on helical fusion and machine learning
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification Detailsblotting 3 seconds, blot force 0
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles32793
Reported Resolution (Å)3.61
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryT
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS GLACIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARCv5.0.4
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARCv5.0.4
MODEL FITTINGUCSF ChimeraX1.11.1
MODEL REFINEMENTPHENIX1.21.2_5419
INITIAL EULER ASSIGNMENTcryoSPARCv5.0.4
FINAL EULER ASSIGNMENTcryoSPARCv5.0.4
CLASSIFICATIONcryoSPARCv5.0.4
RECONSTRUCTIONcryoSPARCv5.0.4
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION