Research data supporting 'Short hydrogen bonds enhance nonaromatic protein-related fluorescence'

Stephens, Amberley Stephens; Kaminski, Gabriele; Qaisrani, Muhammad Nawaz; Ruggiero, Michael T.; Mirón, Gonzalo Díaz; Morzan, Uriel N.; Lebrero, Mariano González; Jones, Saul T. E.; Poli, Emiliano; Bond, Andrew; Woodhams, Philippa J.; Kleist, Elyse M.; Grisanti, Luca; Gebauer, Ralph; Zeitler, J. Axel; Credgington, Dan; Hassanali, Ali

doi:10.17863/cam.57945

2021

DOI: 10.17863/cam.57945

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Research data supporting 'Short hydrogen bonds enhance nonaromatic protein-related fluorescence'

Amberley Stephens Stephens¹,

Gabriele Kaminski²,

Muhammad Nawaz Qaisrani³

et al.

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Short hydrogen bonds enhance nonaromatic protein-related fluorescence

Stephens

Qaisrani

Ruggiero

et al. 2021

Proc. Natl. Acad. Sci. U.S.A.

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Fluorescence in biological systems is usually associated with the presence of aromatic groups. Here, by employing a combined experimental and computational approach, we show that specific hydrogen bond networks can significantly affect fluorescence. In particular, we reveal that the single amino acid L-glutamine, by undergoing a chemical transformation leading to the formation of a short hydrogen bond, displays optical properties that are significantly enhanced compared with L-glutamine itself. Ab initio molecular dynamics simulations highlight that these short hydrogen bonds prevent the appearance of a conical intersection between the excited and the ground states and thereby significantly decrease nonradiative transition probabilities. Our findings open the door to the design of new photoactive materials with biophotonic applications.

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Short hydrogen bonds enhance nonaromatic protein-related fluorescence

Stephens

Qaisrani

Ruggiero

et al. 2021

Proc. Natl. Acad. Sci. U.S.A.

Self Cite

View full text Add to dashboard Cite

show abstract

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Research data supporting 'Short hydrogen bonds enhance nonaromatic protein-related fluorescence'

Cited by 1 publication

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Short hydrogen bonds enhance nonaromatic protein-related fluorescence

Short hydrogen bonds enhance nonaromatic protein-related fluorescence

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