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PSEN1 / Presenilin 1

presenilin 1

Probable catalytic subunit of the gamma-secretase complex, an endoprotease complex that catalyzes the intramembrane cleavage of integral membrane proteins such as Notch receptors and APP (beta-amyloid precursor protein). Requires the other members of the gamma-secretase complex to have a protease activity. May play a role in intracellular signaling and gene expression or in linking chromatin to the nuclear membrane. Stimulates cell-cell adhesion though its association with the E-cadherin/catenin complex. Under conditions of apoptosis or calcium influx, cleaves E-cadherin promoting the disassembly of the E-cadherin/catenin complex and increasing the pool of cytoplasmic beta-catenin, thus negatively regulating Wnt signaling. May also play a role in hematopoiesis.

Gene Name: presenilin 1
Family/Subfamily: protease , Aspartic A22A
Synonyms: PSEN1, AD3, Alzheimer disease 3, FAD, Protein S182, PS1, S182, PS-1, PSNL1, Presenilin 1, Presenilin-1
Target Sequences: NM_000021 NP_000012.1 P49768

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For RESEARCH USE ONLY. Intended for use by laboratory professionals. Not intended for human diagnostic or therapeutic purposes.

The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).