| Direct interaction of Frizzled 1 , 2 , 4 , and 7 with PDZ domains of PSD 95 . ^^^ Here we show that the mouse Frizzled 1 , 2 , 4 and 7 can bind to proteins of the PSD 95 family , which are implicated in the assembly and localization of multiprotein signaling complexes in the brain . ^^^ |