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DNA folding to form the loop - (Mar/15/2009 )

Dose any one know or some paper introduced

How many DNA base need for a loop, to fold to form a stem. Like a haparin ?


3-4 are enough, although the stem pair nearest the loop may not bind well.


IDT have a Oligo Analyzer in there SciTool that predicts hairpins.
Input your primer sequence and it will show you the hairpin.