AQZW - Cereghetti,G.M.; Negro,A.; Vinck,E.; Massimino,M.L.; Sorgato,M.C.; van Doorslaer,S. - Copper(II) binding to the human Doppel protein may mark its functional diversity from the prion protein - The Journal of Biological Chemistry 2004 Aug 27; 279(35): 36497-503