Reactions of 2,6-dinitro-4-trifluoromethylbenzenesulfonate with human serum albumin |
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Authors: | J T Gerig K E Katz J D Reinheimer |
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Abstract: | The reaction of the title compound with human serum albumin has been examined at various concentrations of the sulfonate. Kinetic data suggest that there are two highly reactive lysine amino groups on the protein, five lysine residues which are less reactive and an undetermined number of additional nucleophilic groups that react very slowly with the reagent at pH 7.5. One of the rapidly reacting lysines is tentatively identified as lysine-199 in the protein sequence. Fluorine NMR experiments indicate the presence of tight binding sites on the protein for the sulfonate which are not near reactive functional groups. |
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