title: Reply: receptor specificity of G-protein-coupled receptor kinases
authors.affiliation: Department of Cell Biology, Duke University Medical Center, Box 3083, DUMC, 27710, Durham, NC, USA.
authors.initials: RR
authors.lastname: Gainetdinov
authors.initials: RT
authors.lastname: Premont
authors.initials: MG
authors.lastname: Caron
authors.initials: RJ
authors.lastname: Lefkowitz