Dna sequence fortune telling _ measuring dna sequence

How to analyze dna palindrome sequence

Analysis:

The palindrome structure sequence is a rotationally symmetric structure, and the sequences on both sides of the axis are the same but opposite. Of course, these two reverse repetitions are not necessarily continuous. Short palindrome structure may be a special signal, such as the recognition sequence of restriction endonuclease. Long palindrome structure is easy to be transformed into hairpin structure, which may help DNA to bind to specific DNA binding proteins.

Features and functions:

The general characteristics of palindrome sequence are: symmetry axis; It is a self-complementary sequence; The sequences of the two chains from 5' to 3' are the same; It is the recognition sequence of class ⅱ restriction enzyme; Are some recognition sequences of protein; This is the flanking sequence of the gene.

Structure:

Its characteristic is that the forward reading and reverse reading are the same between the complementary chains (not on the same chain) of the base sequence of this fragment.

For example:

In a double strand, a cross structure is formed.

5' GGTACC 3 '