Product Pathways - Neuroscience
Presenilin 1 Antibody #3622
|W IP||H R Mk (M)||Endogenous||22 (C-terminal fragment). 55 (full-length).||Rabbit|
Reactivity Key: H=Human M=Mouse R=Rat Mk=Monkey
Species cross-reactivity is determined by western blot. Species enclosed in parentheses are predicted to react based on 100% sequence homology.
Specificity / Sensitivity
Presenilin 1 Antibody detects endogenous levels of the carboxy-terminal fragment of presenilin 1 (~22 kDa). The antibody detects the full length protein (55k Da) to a lesser extent.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues arround valine 293 of human presenilin 1. Antibodies are purified by protein A and peptide affinity chromatography.
Presenilin 1 and presenilin 2 are transmembrane proteins belonging to the presenilin family. Mutation of presenilin genes has been linked to early onset of Alzheimer disease, probably due to presenilin's associated γ-secretase activity for amyloid-β protein processing (1,2). Endogenous presenilin mainly exists in a heterodimeric complex formed from the endoproteolytically processed amino-terminal (34 kDa) and carboxy-terminal (~20, 22, 23 kDa) fragments (CTF) (2,3).
- Haass, C. and DeStrooper, B. (1999) Science 286, 916-919.
- Kimberly, W.T. et al. (2000) J. Biol. Chem. 275, 3173-3178.
- Kim, T.W. et al. (1997) J. Biol. Chem. 272, 11006-11010.
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For Research Use Only. Not For Use In Diagnostic Procedures.