Spectroscopy and Quantum Chemical Modeling Reveal a Predominant Contribution of Excitonic Interactions to the Bathochromic Shift in α-Crustacyanin, the Blue Carotenoprotein in the Carapace of the Lobster Homarus gammarus.

To resolve the molecular basis of the coloration mechanism of α-crustacyanin, we used C- labeled astaxanthins as chromophores for solid-state C NMR and resonance Raman spectroscopy of [6,6',7,7']-C α-crustacyanin and [8,8',9,9',10,10',11,11',20,20']-C α-crustacyanin. We complement the experimental d...

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Bibliographic Details

Published in:	Journal of the American Chemical Society Vol. 127; no. 5; pp. 1438 - 1446
Main Authors:	van Wijk, Arjan A. C., Spaans, Arnold, Uzunbajakava, Natallia, Otto, Cees, De Groot, Huub J. M., Lugtenburg, Johan, Buda, Francesco
Format:	Article
Published:	American Chemical Society 2/9/2005
Subjects:	Homarus gammarus Spectrum analysis Raman spectroscopy Density functionals Electron distribution Proteins
Online Access:	View this record in EBSCOhost