an RNA binding activity. Nevertheless, the actualKeywords3Drosophila Fragile X related protein; FragileX syndrome; KH domains; NMR; stabilityCorrespondence1L. Regan, Department of MolecularBiophysics and Biochemistry, YaleUniversity, PO Box 208114,
New Haven,CT 06520-8114, USAE-mail: lynne.re[r]