Iqbal, Azhar and Stavros, Vasilios G. (2010) Active participation of 1πσ* states in the photodissociation of tyrosine and its subunits. Journal of Physical Chemistry Letters, Vol.1 (No.15). pp. 2274-2278. doi:10.1021/jz100814q ISSN 1948-7185.

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Abstract

The ubiquitous nature of (1)pi sigma* states in biological molecules has been a prime focus in recent years. Understanding the role of this dissociative state in the amino acids and their respective chromophores following UV excitation would enable a step change toward establishing a better understanding of the mechanisms of photostability of larger peptides in the gas-phase. This letter presents the first evidence of the active involvement of (1)pi sigma* states in the H-atom elimination of the amino acid tyrosine and its subunit tyramine, following excitation at 200 nm.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry
Divisions:	Faculty of Science, Engineering and Medicine > Science > Chemistry
Library of Congress Subject Headings (LCSH):	Photodissociation, Molecular dynamics, Tyrosine, Excited state chemistry
Journal or Publication Title:	Journal of Physical Chemistry Letters
Publisher:	American Chemical Society
ISSN:	1948-7185
Official Date:	5 August 2010
Dates:	Date Event 5 August 2010 Published
Volume:	Vol.1
Number:	No.15
Number of Pages:	5
Page Range:	pp. 2274-2278
DOI:	10.1021/jz100814q
Status:	Peer Reviewed
Publication Status:	Published
Funder:	Royal Society (Great Britain), Engineering and Physical Sciences Research Council (EPSRC), University of Warwick
Grant number:	EP/E011187 (EPSRC)

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