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Figure 3 | BMC Biochemistry

Figure 3

From: Binding of ATP to vascular endothelial growth factor isoform VEGF-A165 is essential for inducing proliferation of human umbilical vein endothelial cells

Figure 3

Competition of heparin and [γ-32P]ATP for binding to VEGF-A 165 . VEGF-A165 (3 μg) was labeled with [γ-32P]ATP (5 μCi) in Tris-HCl (pH 7.5) at 37°C for 30 min. (A) Heparin was added prior to ATP to give final concentrations of 1 to 100 μg/mL. (B) Heparin was added at a fixed concentration of 100 μg/mL and times (t) indicated.

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