Syn and anti nucleosides: Difference between revisions

<scene name='User:Karl_Oberholser/Sandbox_1/Anti_uridine/1'>View</scene> of uridine in the anti conformation, the oxygen on C-2 of uridine is projecting away from the furanose ring.  <scene name='User:Karl_Oberholser/Sandbox_1/Syn_cytidine/1'>View</scene> of cytidine in the syn conformation, the oxygen on C-2 is projecting toward the furanose ring.  <scene name='User:Karl_Oberholser/Sandbox_1/Syn_cytidine2/4'>View</scene> oxygen at the C-2 position of cytidine invading the space of both hydrogen at C-2' and the oxygen of the furanose ring. Since both pyrimidines found in DNA have an oxygen at the C-2 position, nucleosides and nucleotides of these pyrimidines only adopt the anti conformation and therefore can not be part of Z-DNA.