2'-O,4'-C-Methylenecytidine (LNA-C(Bz)) is a bicyclic nucleoside analogue with fixed N-type conformation. 2'-O,4'-C-Methylenecytidine can be used to synthesize oligonucleotides. 2'-O,4'-C-Methylenecytidine forms duplexes with complementary DNA and RNA strands[1][2].
[1]. bicyclic nucleoside analogue, N-type conformation, synthesize oligonucleotides, duplexes [2]. Obika S, et, al. Stability and structural features of the duplexes containing nucleoside analogues with a fixed N-type conformation, 2′-O,4′-C-methyleneribonucleosides. Tetrahedron Letters. 1998 Jul 23; 39(30):5401-04.