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A Helical Molecule That Exhibits Two Lengths in Response to an Applied Potential
Author(s) -
Kitagawa Kazuya,
Morita Tomoyuki,
Kimura Shunsaku
Publication year - 2005
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200502240
Subject(s) - molecule , materials science , physics , quantum mechanics
Outstanding in the electric field : Bundles of helical peptides undergo stochastic switching in response to the applied bias polarity as observed by STM. This behavior results from a conformational change between the α‐helical (left) and 3 10 ‐helical (right) states and affects the overall helix length. The interaction of the helical dipole moment with the applied electric field determines the preferred conformation of the peptides.