What is sugar puckering?? I also came up with a few terms like c-2' endo and c-3' endo. What are these terms?

Question

anonymous · Answer

Sugar is added to nucleotides in DNA formation. How the sugar binds in the helix formation determines the tightness of the helix, so it will be A form or B form. A form is more condensed and has the feature of sugar pucker.

anonymous · Answer

attachment

anonymous · Answer

C2' or C3' endo pucker means that C2' or C3' are on the same side as the base and C4'-C5' bond. Basically Purines show a preference for C2' endo pucker conformation type where Pyrimidines favour C3' endo.