9EAG | pdb_00009eag

The Structure of ApoB100 from Human Low-Density Lipoprotein


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 
Sample
apolipoprotein B-100
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles52843
Reported Resolution (Å)9
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Targetcross-correlation coefficient
Overall B Value
Fitting Procedure
DetailsThe Molecular Dynamics Flexible Fitting protocol was applied using NAMD 3.0
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2800
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)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONcryoSPARC4
MODEL FITTINGNAMD3.0
INITIAL EULER ASSIGNMENTcryoSPARC4
FINAL EULER ASSIGNMENTcryoSPARC4
CLASSIFICATIONcryoSPARC4
RECONSTRUCTIONcryoSPARC4
MODEL REFINEMENTUCSF ChimeraX1.6.1
MODEL REFINEMENTPHENIX1.2.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION600000