Studies of Rh1 metarhodopsin stabilization in wild-type Drosophila and in mutants lacking one or both arrestins.

Abstract excerpt

We have used Drosophila mutants which are deficient in one or both of the arrestins present in photoreceptor cells to critically test the requirements for arrestin in the stabilization of Rh1 metarhodopsin under in vitro and in vivo conditions. Heads from flies illuminated with blue light were homogenized to obtain membranes or micellar extracts, and the amount of metarhodopsin present was quantitated by...

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