8QB9

Helical reconstruction of yeast eisosome protein Pil1 bound to membrane composed of lipid mixture -PIP2/+sterol (DOPC, DOPE, DOPS, cholesterol 30:20:20:30)


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFoldP53252 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d2.7628
f_angle_d0.4428
f_chiral_restr0.0308
f_plane_restr0.0061
f_bond_d0.0025
Sample
Helical assembly of recombinant Pil1 protein tubulating -PIP2/+sterol lipid mixture (DOPC,DOPE,DOPS,cholesterol 30:20:20:30)
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles176005
Reported Resolution (Å)3.35
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryD1
Axial Rise5.044
Angular Rotation-136.5
Axial SymmetryD1
Axial Rise5.044
Angular Rotation-136.5
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.1.2
CTF CORRECTIONcryoSPARC4.1.2
MODEL FITTINGUCSF Chimera1.16
MODEL FITTINGCoot0.8.9.2
MODEL REFINEMENTPHENIX1.20-4459
INITIAL EULER ASSIGNMENTcryoSPARC4.1.2
FINAL EULER ASSIGNMENTcryoSPARC4.1.2
RECONSTRUCTIONcryoSPARC4.1.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION