A family of Ca2+-dependent activator proteins for secretion: comparative analysis of structure, expression, localization, and function.
Speidel D, Varoqueaux F, Enk C, Nojiri M, Grishanin RN, Martin TF, Hofmann K, Brose N, Reim K. J Biol Chem. 2003 Dec 26; 278(52):52802-9. Epub 2003 Oct 6.