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| Description: The DNA site bound by lac repressor has been analyzed by footprinting and methylation-protection experiments of the type described earlier for RNA polymerase. The operator comprises 35 base pairs, including 28 base pairs of symmetrical sequence; that is, it includes a sequence that is identical in both directions. Thus, the operator is an imperfect palindrome—imperfect because of the seven base pairs that do not show this symmetry. Picture Stats: Views: 290 Filesize: 37.57kB Height: 173 Width: 588 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35117 |