Department of Biochemistry and Molecular Biology, University of Massachusetts Amherst, USA
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Human ?-Galactosidase: Safety, Efficacy and Molecular Basis of Pharmacological Chaperoning
Author(s): Nathaniel Garman*
Fabry infection patients show a lack in the action of the lysosomal catalyst α-galactosidase (α-GAL or α-Gal A). One proposed treatment for Fabry infection is pharmacological chaperone treatment, where a little atom balances out the α-GAL protein, prompting expanded enzymatic movement. Utilizing protein energy, tryptophan fluorescence, roundabout dichroism, and proteolysis measures, we show that the pharmacological chaperones 1-Deoxygalactonojirimycin (DGJ) and galactose settle the human α-GAL glycoprotein. Gem designs of buildings of α-GAL and chaperones make sense of the sub-atomic reason for the higher strength of DGJ over galactose. Utilizing site-coordinated mutagenesis, we show the higher intensity of DGJ results from an ionic communication with D170. We recommend that protonation of D170 in acidic circumstances prompts more fragile restrictin.. View More»
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