• The structure of GFR[alfa]1 domain 3 reveals new insights into GDNF binding and RET activationLeppänen, V.M.; Bespalov, Maxim M.; Runeberg-Roos, Pia; Puurand, Ülo; Merits, Andres; Saarma, Mart; Goldman, A.EMBO journal2004 / 7, p. 1452-1462 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC391078/