Article
Both binding sites of the starch-binding domain of Aspergillus niger glucoamylase are essential for inducing a conformational change in amylose.
Journal of molecular biology - 9 Nov 2001
Giardina T, Gunning A P, Juge N, Faulds C B, Furniss C S, Svensson B, Morris V J, Williamson G
Abstract excerpt
The interaction of the two binding sites of the starch-binding domain (SBD) of Aspergillus niger glucoamylase 1 (GA-I) with substrate has been investigated by using atomic force microscopy (AFM) and UV difference spectroscopy in combination with site-specific mutants of both SBD and GA-I. The SBD possesses two binding sites with distinct affinities towards the soluble linear substrate maltoheptaose; dissociation...
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