Phosphorylation drives a dynamic switch in serine/arginine-rich proteins. - Xiang S; Gapsys V; Kim HY; Bessonov S; Hsiao HH; Möhlmann S; Klaukien V; Ficner R; Becker S; Urlaub H; Lührmann R; de Groot B; et al. (Structure (London, England : 1993), 2013)