Excimer formation by stacking G-quadruplex blocks

Excimer formation by stacking G-quadruplex blocks

A special stack: In the presence of K+ ions, a specific guanine-rich DNA sequence forms a stacked G-quadruplex dimer giving rise to excimer emission in the 400 nm region. This emission with nanosecond lifetime occurs only for a particular base overlap pattern between two stacked G-quadruplex blocks...

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Bibliographic Details
Main Authors: Dao, Nguyen Thuan, Haselsberger, Reinhard, Michel-Beyerle, Maria-Elisabeth, Phan, Anh Tuân
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2014
Subjects:
DRNTU::Science::Chemistry::Physical chemistry
Online Access:https://hdl.handle.net/10356/102451
http://hdl.handle.net/10220/18982
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Institution: Nanyang Technological University
Language: English
Description
Summary:A special stack: In the presence of K+ ions, a specific guanine-rich DNA sequence forms a stacked G-quadruplex dimer giving rise to excimer emission in the 400 nm region. This emission with nanosecond lifetime occurs only for a particular base overlap pattern between two stacked G-quadruplex blocks and can be manipulated by changing DNA sequence and external conditions.

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