Dear Srs: I would like to get information about ectoprotein kinases (external protein kinases) and their functions. Thank you for your help Edgar Neyra Valdez Instituto de Medicina Tropical "Alexander von Humboldt" Universidad Peruana Cayetano Heredia Av. Honorio Delgado 430- San Martin de Porras P.O. Box 4314 Lima 100 Lima -Peru Fax 51 1 4823404