Figure 2From: Modulation of microtubule assembly by the HIV-1 Tat protein is strongly dependent on zinc binding to TatEffect of zinc on Tat-RhB diffusion, as monitored by FCS. The normalized autocorrelation curves were recorded with 1 μM apo-Tat-RhB (○) or holo-Tat-RhB (■) in Hepes buffer 50 mM, 0.05% IGEPAL CA-230, pH7.5, at 20°C. The continuous lines are fits to the experimental points with Equation 1.Back to article page