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Video 10
 FRAP analysis of lamellipodial EGFP–α-actinin-1. After EGFP fluorescence bleaching of SKBR3 cells expressing EGFP–α-actinin-1, fluorescence recovery was monitored by sampling images every 2 s for 45 s using a confocal microscope (LSM510; Carl Zeiss, Inc.). Corresponds to Fig. 2 F.