Sentences with phrase «quadruplex shows»

This top view of a G - quadruplex shows its structure in the DNA of a human telomere, where they frequently form.

Not exact matches

In vitro and in vivo analyses showed that CEB1 repeats formed stable G - quadruplex (G4) secondary structures and that the Pif1 protein unwinds these structures efficiently.

Using a model system that combines Xenopus egg extracts and DNA templates containing specific G - quadruplex structures we have recently shown that replication stalls in close proximity of such a structure.