DMD #22715 1 Natural allelic variants of bovine ABCG2 transporter: Increased activity of the S581 variant and development of tools for the discovery of new ABCG2 inhibitors Gracia Merino; Rebeca Real; Marta F. Baro; Lucia Gonzalez-Lobato, Julio G. Prieto; Ana I Alvarez; Margarita M. Marques Instituto de Desarrollo Ganadero y Sanidad Animal (G.M., M.F.B., M.M.M.), Area de Fisiología, Departamento de Ciencias Biomédicas (R.R., L.G-L., J.G.P., A.I.A), Universidad de León, Campus de Vegazana, 24071 León DMD Fast Forward. Published on September 29, 2008 as doi:10.1124/dmd.108.022715 Copyright 2008 by the American Society for Pharmacology and Experimental Therapeutics. This article has not been copyedited and formatted. The final version may differ from this version. DMD Fast Forward. Published on September 29, 2008 as DOI: 10.1124/dmd.108.022715 at ASPET Journals on February 25, 2015 dmd.aspetjournals.org Downloaded from