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Nicastrin Rabbit anti-Human, Mouse, Rat, Polyclonal, Invitrogen™

Rabbit Polyclonal Antibody

Manufacturer:  Invitrogen PA1758

Catalog No. PA1758

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PA1-758 detects nicastrin from human, mouse and rat samples. PA1-758 has been successfully used in Western blot procedures. By Western blot, this antibody detects an ~110 kDa protein representing nicastrin. PA1-758 immunizing peptide corresponds to amino acid residues 688-708 from human nicastrin. There is a single amino acid substitution between the human and mouse sequence. PA1-758 immunizing peptide (Cat. No. PEP-131) is available for use in neutralization and control experiments.

Nicastrin, in addition to presenilin, PEN2, and APH-1 forms the -gamma-secretase protein complex, a membrane-bound aspartyl protease that can cleave certain proteins at peptide bonds buried within the hydrophobic environment of the lipid bilayer. This cleavage is responsible for a key step in signaling from several cell-surface receptors and is thought to be required for the generation of the neurotoxic amyloid peptides that are central to the pathogenesis of Alzheimer’s disease. Like the tumor necrosis factor-alpha-converting enzyme (TACE) and the beta-site cleavage enzyme (BACE) protease families, -gamma-secretase will cleave the amyloid precursor protein (APP), but within the intramembrane region of APP, resulting in either the non-toxic p3 (from the alpha and -gamma cleavage site) or the toxic Abeta amyloid peptide (from the beta and -gamma cleavage site). It is thought that accumulation of the Abeta peptide is the precursor to Alzheimer’s disease. Nicastrin is also thought to be involved in cell proliferation and signaling, especially in regards to activation of Notch receptors as loss of Nicastrin expression results in mouse embryonic lethality.


Synthetic Peptide: C(688) I N A K A D V L F I A P R E P G A V S Y(708)
Antigen affinity chromatography
Human, Mouse, Rat
Western Blot
1 mg/mL
PBS with 1mg/mL BSA and 0.05% sodium azide
Q92542, P57716, Q8CGU6
100 μg
-20° C, Avoid Freeze/Thaw Cycles
23385, 289231, 59287
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