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Helical reconstruction of yeast eisosome protein Pil1 bound to membrane composed of lipid mixture +PIP2/+sterol (DOPC, DOPE, DOPS, cholesterol, PI(4,5)P2 35:20:20:15:10)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold P53252
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.1026 f_angle_d 0.4448 f_chiral_restr 0.0299 f_plane_restr 0.0035 f_bond_d 0.002
Sample Helical assembly of recombinant Pil1 protein tubulating +PIP2/+sterol lipid mixture (DOPC, DOPE, DOPS, cholesterol, PI(4,5)P2 35:20:20:15:10)
Specimen Preparation Sample Aggregation State HELICAL ARRAY Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 77414 Reported Resolution (Å) 3.61 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry D1 Axial Rise 5.408 Angular Rotation 133.595
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 1800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL REFINEMENT PHENIX 1.21_5207
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION