Figure 3.

F-actin cosedimentation: yeast actin. Cosedimentation of talin (○), GST-Tn (•), GST-Sla2 (▿), and GST (▾) with yeast F-actin was measured as described in Fig. 2 except for the following changes in protein concentrations: yeast actin (0–10 μM); talin, GST-Tn, GST-Sla2, and GST (2.0 μM each).