Mercuric Ion Sensing by an Overlapping β‐turn Containing Peptide | Zendy

Tomar Kalpana | Zendy; Soni Satyendra | Zendy; Bhadauriya Pratibha | Zendy; Parihar Rashmi | Zendy; Ganesh Subramaniam | Zendy; Nair Nisanth N. | Zendy; Ramanathan Gurunath | Zendy

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Mercuric Ion Sensing by an Overlapping β‐turn Containing Peptide

Author(s) -

Tomar Kalpana,

Soni Satyendra,

Bhadauriya Pratibha,

Parihar Rashmi,

Ganesh Subramaniam,

Nair Nisanth N.,

Ramanathan Gurunath

Publication year - 2017

Publication title -

chemistryselect

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 34

ISSN - 2365-6549

DOI - 10.1002/slct.201701058

Subject(s) - tetrapeptide , peptide , turn (biochemistry) , chemistry , fluorescence , residue (chemistry) , ion , hela , in vivo , biophysics , stereochemistry , in vitro , biochemistry , biology , physics , optics , organic chemistry , microbiology and biotechnology

A tetrapeptide containing dehydrophenylalanine residue exhibits unusual enhanced fluorescence emission intensity for Hg 2+ ions selectively. In vivo studies on HeLa cells revealed that this peptide could be used to study Hg 2+ trafficking in mammalian cells. The results demonstrate that Hg 2+ can interact with sulfurless peptide backbones, if the latter provides the requisite geometry, especially a folded type III/III overlapping beta turn conformation.

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