The 5' stem-loop from human U4 snRNA adopts a novel conformation stabilized by G-C and G-U base pairs.
Sahasrabudhe PV, Sun J, Gmeiner WH. The 5' stem-loop from human U4 snRNA adopts a novel conformation stabilized by G-C and G-U base pairs. J Biomol Struct Dyn. 1997 Apr; 14(5):567-77.