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Prog Biophys Mol Biol. 2000;74(3-5):141-73.

The infrared absorption of amino acid side chains.

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Institut für Biophysik, Johann Wolfgang Goethe-Universität, Theodor Stern-Kai 7, Haus 74, D-60590 Frankfurt am Main, Germany.


Amino acid side chains play fundamental roles in stabilising protein structures and in catalysing enzymatic reactions. These fields are increasingly investigated by infrared spectroscopy at the molecular level. To help the interpretation of the spectra, a review of the infrared absorption of amino acid side chains in H(2)O and 2H(2)O is given. The spectral region of 2600-900cm(-1) is covered.

[Indexed for MEDLINE]

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