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AB5 Toxins

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Date 1995 Apr 1
PMID 7648317
Citations 62
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Abstract

Crystal structures of shiga and pertussis toxins have recently revealed a remarkable degree of structural homology among the members of the AB5 class of bacterial toxins. Other structures have provided a detailed view of the molecular basis of receptor binding specificity of cholera toxin, and of the heat-labile enterotoxin of Escherichia coli. These structures also provide tantalizing, but as yet incomplete, information on the site of ADP-ribosylation in the homologous A-subunits of the Escherichia coli heat-labile toxin, cholera toxin, and pertussis toxin.

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