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Binding Studies on Modified Vancomycin

delete1997-01-01
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DOI:10.1071/c96172delete
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摘要

摘要

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Binding studies were carried out on a vancomycin derivative to examine its potential bactericidal activity. Of particular interest was the effect of dimethylation of the amino group at the N-terminus of vancomycin on the binding ability of the antibiotic to bacterial cell-wall peptide analogues, namely Ac-D-Ala-D-Ala and Ac2-L-Lys-D-Ala-D-Ala. Reductive methylation was carried out with sodium cyanoborohydride and formaldehyde, and the binding constants of the vancomycin derivative with the peptides were measured by ultraviolet difference spectroscopy.

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