Transfected HEK293 cells were examined with an SP8 confocal fluorescence microscope using 63 × 1.4 NA objective, Leica (Wetzlar, Germany) as described previously17 (link). Briefly, cells were observed microscopically using an upright Olympus BX51WI equipped with 100 × 1 NA objective and images were captured using a Grasshopper3 CMOS camera (FLIR, Richmond, BC, Canada) controlled by Leica LAS X version 3.5 software (available at: https://www.leica-microsystems.com/products/microscope-software/p/leica-las-x-ls/). All figures were created using Adobe Illustrator CS6 (Available at: https://adobe.com/products/illustrator), under an Adobe Inc., Creative Cloud Desktop 2019 shared device license to Case Western Reserve University (CWRU) that operates until 3/31/2022.
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