Rotational Spectrum Of Tryptophan

Sanz, M. Eugenia

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https://hdl.handle.net/2142/50925 Copy

Description

Title

Rotational Spectrum Of Tryptophan

Author(s)

Sanz, M. Eugenia

Contributor(s)

• Alonso, José L.
• Mata, Santiago
• Cabezas, Carlos

Issue Date

2014-06-17

Keyword(s)

Biology, natural substances

Abstract

The rotational spectrum of the natural amino acid tryptophan has been observed using a recently constructed LA-MB-FTMW spectrometer, specifically designed to optimize the detection of heavier molecules at a lower frequency range. Independent analyses of the rotational spectra of individual conformers have conducted to a definitive identification of two different conformers of tryptophan, with one of the observed conformers never reported before. The experimental values of the $^{14}$N nuclear quadrupole coupling constants have been found capital in the discrimination of the conformers. Both observed conformers are stabilized by a O-H$\cdots$N hydrogen bond in the side chain and a N–H$\cdots$$\pi$ interaction forming a chain that reinforces the strength of hydrogen bonds through cooperative effects.

Publisher

International Symposium on Molecular Spectroscopy

Type of Resource

text

Language

English

Permalink

http://hdl.handle.net/2142/50925

DOI

https://doi.org/10.15278/isms.2014.TD04

Copyright and License Information

Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License. http://creativecommons.org/licenses/by/4.0/

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