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X-ray Crystal Structure and Time-resolved Spectroscopy of the Blue Carotenoid Violerythrin

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    SYSNO ASEP0355275
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleX-ray Crystal Structure and Time-resolved Spectroscopy of the Blue Carotenoid Violerythrin
    Author(s) Polívka, Tomáš (BC-A) RID, ORCID
    Frank, H.A. (US)
    Enriquez, M.M. (US)
    Niedzwiedzki, D.M. (US)
    Liaaen-Jensen, S. (NO)
    Hemming, J. (GB)
    Helliwell, J.R. (GB)
    Helliwell, M. (GB)
    Number of authors8
    Source TitleJournal of Physical Chemistry B. - : American Chemical Society - ISSN 1520-6106
    Roč. 114, č. 26 (2010), s. 8760-8769
    Number of pages10 s.
    Languageeng - English
    CountryUS - United States
    Keywordscarotenoids ; excited states ; spectroscopy
    Subject RIVBO - Biophysics
    CEZAV0Z50510513 - UMBR-M, BC-A (2005-2011)
    UT WOS000279282600021
    DOI10.1021/jp101296a
    AnnotationBlue carotenoid violerythrin was investigated by X-ray crystallography and ultrafast time-resolved spectroscopy. The X-ray crystal structure shows that the molecule is nearly planar with the terminal rings positioned in the s-trans conformation. Time-resolved spectroscopic data of violerythrin are similar to those of other carbonyl carotenoids with long conjugated chains. The study determined structural requirements for a blue, neutral carotenoid: 1) planar, symmetric chromophore, 2) central polyene chain with nine or ten conjugated carbon-carbon double bonds connected at each end by an s-trans or trans bond to two identical, cyclic end groups, each possessing a conjugated keto group further cross-conjugated to another keto group or a double bond in a quinoid type structure.
    WorkplaceBiology Centre (since 2006)
    ContactDana Hypšová, eje@eje.cz, Tel.: 387 775 214
    Year of Publishing2012
Number of the records: 1  

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