Localization of lysine residues in the binding domain of the K99 fibrillar subunit of enterotoxigenic Escherichia coli.


Modification of lysine residues with 4-chloro-3,5-dinitrobenzoate results in the loss of the binding capacity of K99 fibrillae to horse erythrocytes (Jacobs, A.A.C., van Mechelen, J.R. and de Graaf, F.K. (1985) Biochim. Biophys. Acta 832, 148-155). In the present study we used dinitrobenzoate as a spectral probe to map the modified residues. After the… (More)


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