Key phosphorylation sites in GPCRs orchestrate the contribution of β-Arrestin 1 in ERK1/2 activation. - Baidya M; Kumari P; Dwivedi-Agnihotri H; Pandey S; Chaturvedi M; Stepniewski TM; Kawakami K; Cao Y; Laporte SA; Selent J; Inoue A; Shukla AK (EMBO reports, 2020)