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Nat Cell Biol. 2000 Nov;2(11):848-51.

Glycine 384 is required for presenilin-1 function and is conserved in bacterial polytopic aspartyl proteases.

Author information

  • 1Adolf Butenandt-Institute, Department of Biochemistry, Laboratory for Alzheimer's Disease Research, Ludwig-Maximilians-University, 80336 Munich, Germany.

Abstract

Endoproteolysis of beta-amyloid precursor protein (betaAPP) and Notch requires conserved aspartate residues in presenilins 1 and 2 (PS1 and PS2). Although PS1 and PS2 have therefore been proposed to be aspartyl proteases, no homology to other aspartyl proteases has been found. Here we identify homology between the presenilin active site and polytopic aspartyl proteases of bacterial origin, thus supporting the hypothesis that presenilins are novel aspartyl proteases.

PMID:
11056541
[PubMed - indexed for MEDLINE]
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