Figure 4.
Identification and determination of the levels of PIs in the bovine retina. The bovine retina was subjected to sucrose density gradient centrifugation and three fractions were collected (A). Fractions collected from the sucrose gradients were subjected to SDS-PAGE (B). The arrow shows the presence of rhodopsin (40 kDa) in fraction 1. Each panel represents the levels of PI(3)P (C), PI(4)P (D), PI(3,4)P2 (E), PI(4,5)P2 (F), and PI(3,4,5)P3 (G). Data are mean ± SEM (n = 3). The significance is indicated on each panel.