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Description
Goat Anti-Human PSEN2 (N-terminal) polyclonal antibody for ELISA, IHC, WB. The presenilin-2 (PS-2) gene was discovered on chromosome 1 and is responsible for an early onset form of autosomal dominant Alzheimer`s disease (AD). The amino acid sequence is approximately 67% identical with that of the PS-1 protein. It also is a membrane protein that has regions where mutations have been identified in family members with AD. The gene sequence of PS-2 does not match any known human gene sequences, except for that of PS-1; but has been found to be a new class of aspartic-proteases. It has now been identified as one of the β-secretase proteases. Alzheimer`s disease (AD) is characterized by the progressive formation in the brain of insoluble amyloid plaques and vascular deposits consisting of the 4-kD amyloid β-peptide (Aβ). Aβ generation is initiated by proteolytic cleavage of the amyloid precursor protein (APP) at the N-terminal of Aβ by β-secretase (BACE). The Aβ peptide is then released by proteolytic cleavage at its C-terminus by β-secretase (presenilins). Because both these proteases are prime candidates for therapeutic intervention, an intense search has been underway to identify these two enzymes.