• Video 1 Migration of CHO-α4WT, CHO-α4Y991A, and CHO-α4S988A cells through 50- and 6-µm channels.
• Video 2 Migration of NSC23766-, Y-27632–, or blebbistatin-treated CHO-α4WT cells through 50- and 6-µm channels.
• Video 3 Migration of NSC23766-, Y-27632–, or blebbistatin-treated CHO-α4Y991A cells through 50- and 6-µm channels.
• Video 4 Migration of MIIA-depleted, MIIB-depleted, or ML-7–treated CHO-α4WT through 50- and 6-µm channels.