| The interaction between RGS 7 and snapin was also demonstrated in mammalian cells by coimmunoprecipitation and pull down assays . 0.62701551^^^ Deletion mutation analysis in yeast demonstrated that the interaction between RGS 7 and snapin is specific and is mediated primarily by amino acid residues 1 69 of RGS 7 ( which contains the proximal portion of the DEP domain ) . 0.55618123^^^ |