Abstract

Intra- or Intercomplex Binding to the γ-Secretase Enzyme: A MODEL TO DIFFERENTIATE INHIBITOR CLASSES

Highlights

  • ␥-Secretase is one of the critical enzymes required for the generation of amyloid-␤ peptides from the ␤-amyloid precursor protein

  • Because amyloid-␤ peptides are generally accepted to play a key role in Alzheimer disease, ␥-secretase inhibition holds the promise for a disease-modifying therapy for this neurodegenerative condition

  • We show that the two principal classes of inhibitor described in the scientific and patent literature, aspartyl protease transition state analogue and small molecule non-transition state inhibitors, display fundamental differences in the way they interact with the enzyme

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Summary

Introduction

␥-Secretase is one of the critical enzymes required for the generation of amyloid-␤ peptides from the ␤-amyloid precursor protein. To elucidate further the inhibitory mechanism of non-transition state analogue inhibitors, we have characterized the binding sites for representative molecules of the main inhibitor classes on the ␥-secretase enzyme.

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