EMPIAR-10322
cryo-ET of cryo-FIB milled yeast cell, in which Tcb3-GFP is overexpressed and scs2/22 ist2 tcb1/2 are deleted [117 tilt series in MRC format]
Publication:

Tricalbins Contribute to Cellular Lipid Flux and Form Curved ER-PM Contacts that Are Bridged by Rod-Shaped Structures

Hoffmann PC, Bharat TAM, Wozny MR, Boulanger J, Miller EA, Kukulski W

Developmental Cell 51 (2019)

Related EMDB entry:
Deposited:
2019-09-23
Released:
2019-11-18
Last modified:
2019-11-18
Imageset size:
3.10 GB
Imageset DOI:
Experimental metadata:
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Contains:
  • tilt series
1. cryo-ET of cryo-FIB milled yeast cell, in which Tcb3-GFP is overexpressed and scs2/22 ist2 tcb1/2 are deleted
Category:
tilt series
Image format:
MRC
No. of images or tilt series:
117
Image size:
(3710, 3838)
Pixel type:
SIGNED 16 BIT INTEGER
Pixel spacing:
(3.753, 3.753)
Details:
Overexpression of Tcb3-GFP in the cells was induced by addition of 1% galactose to the medium. Cells were then plunge-frozen and subjected to cryo-FIB milling. Electron cryo-tomographic tilt-series were collected on a Titan Krios (FEI) operated at 300 kV using a Quantum energy filter (slit width 20 eV) and a K2 direct electron detector (Gatan) in counting mode at a pixel size of 3.7 angstroms and at a dose rate of ~ 2-4 e-/pixel/second on the detector. The tilt-series were acquired between +60 and -56 degree starting from 0 degree with 1 degree increment using SerialEM (Mastronarde, 2005) following a grouped dose-symmetric acquisition with a group size of 4 (Bharat et al., 2018; Hagen et al., 2017), and at -4.5 micron defocus. A dose of 1.2 e-/square angstroms was applied per image of the tilt-series. The tilt-series images were reordered by tilt angle.
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