1. From INSERM U589 (B.G.-S., E.D., P.G., C.B., B.B., F.B., A.C.P., H.P., J.F.A.), Institut L. Bugnard, CHU Rangueil, Toulouse France; IGBMC (A.K.), Strasbourg, France; and the Department of Molecular Genetics (M.Z., T.D.), Biochemistry and Microbiology, University of Cincinnati College of Medicine, Cincinnati, Ohio.