Dissemin is shutting down on January 1st, 2025

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Wiley, ChemBioChem, 1(8), p. 51-54, 2007

DOI: 10.1002/cbic.200600433

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Developments in the Characterisation of the Catalytic Triad of α‐Chymotrypsin: Effect of the Protonation State of Asp102 on the <sup>1</sup>H NMR Signals of His57

Journal article published in 2006 by Gilles Bruylants ORCID, Christina Redfield, Kristin Bartik ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Protonated or not?1H NMR spectra of α-chymotrypsin were recorded as a function of pH (from top to bottom pH 8.6, 5.1 and 4.2). Slow exchange is observed for the NH protons of His57 between two environments due to different protonation states of Asp102.