Spectroscopic studies on the tyrosine residues of canavalin.

Abstract

Canavalin is a tetramer with 6 tyrosines per subunit. In the work presented here, we have classified these tyrosines by their spectrophotometric and fluorometric pH titration and their ability to be quenched I-. Of the 6 residues, 2 were found to be exposed to the solvent. One (pK = 10.2) contributes 28% of the total fluorescence intensity; the second has a… (More)

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