Module 4 : Bioorganic Chemistry of Nucleic Acids

Lecture 2 : Hydrogen Bonded Base Pairs and Double Helix

Figure 4.9a: Nucleotide sugar conformations-The C3ยข-endo conformation (on the same side of the sugar ring as C5'), occurs in A-RNA and RNA-11.

Figure 4.9b: The Nucleotide sugar conformations-The C2'-endo conformation, occurs in B-DNA.

4.10.4. 6. DIFFERENT CONFORMATIONS OF DNA