The Rossmann fold of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is a nuclear docking site for antisense oligonucleotides containing a TAAAT motif.
Griffoni C, Laktionov PP, Rykova EY, Spisni E, Riccio M, Santi S, Bryksin A, Volodko N, Kraft R, Vlassov V, Tomasi V, Biochim Biophys Acta, 2001 Jan 15 - link