Movie 1
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Movie 1. This video, related to Fig. 6 of the manuscript,
shows the formation of punctate structures from ER at the tips of new paxillin
foci at the cell margins. PTP1B null cells co-transfected with GFP-PTP1B DA and
mRFP-paxillin were plated on fibronectin-coated coverslips, and left attach for
30 minutes before imaging. Images were taken every 2 minutes. Note that
punctate structures become larger after arrival of additional ER tubules over
the cell-matrix sites. Video format, WRAW; normal frame size, 236 x 202 pixels
(depicted double size, 472 x 404); 7 frames/second; data size 8.1 MB.