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Electron cryo-microscopy structure of PB1-p62 type T filaments
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2KKC
Sample PB1(1-122) DOMAIN OF P62- SQSTM-1
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- ETHANE, TEMPERATURE- 77, INSTRUMENT- HOMEMADE PLUNGER, METHOD- BACKSIDE BLOTTING,
3D Reconstruction Reconstruction Method HELICAL Number of Particles 182238 Reported Resolution (Å) 10.3 Resolution Method Other Details SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2937. (DEPOSITION ID: 13204). Refinement Type Symmetry Type HELICAL
Map-Model Fitting and Refinement Id 1 (2KKC) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details METHOD--RIGID BODY REFINEMENT PROTOCOL--NMR
Data Acquisition Detector Type GATAN ULTRASCAN 4000 (4k x 4k) Electron Dose (electrons/Å**2) 10
Imaging Experiment 1 Date of Experiment 2012-10-09 Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1500 Maximum Defocus (nm) 3500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 59000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 120 Imaging Details
EM Software Task Software Package Version MODEL FITTING UCSF Chimera RECONSTRUCTION SPRING
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details CTFFIND, CONVOLUTION IMAGES, WIENER FILTER RECONSTRUCTION