This description provides binding proteins, such as Antibodies, which bind to a Protein of the GDNF Family receptor Alpha (GFRAl), which includes the Protein GFRAl HumanAnd Methods of their useLa presente descripcion provee proteinas de union, tales como anticuerpos, que se unen a una proteina del Tipo de Receptor Alfa de la Familia GDNF (GFRAL), que incluye la proteina GFRAL humana, y metodos de su uso