The presenilin complex is composed of four core proteins (presenilin 1 or presenilin 2, APH1, nicastrin, and PEN2). Several endogenous proteins have been reported to selectively modulate the function of the presenilin complexes; these include transmembrane trafficking protein, 21-KD (TMP21), CD147 antigen (basigin), the γ-secretase-activating protein (gSAP), and the orphan G-protein-coupled receptor 3. Because the structure and assembly of these complexes underlies their activity, this review will discuss current work on the assembly of the complex and on presenilin-interacting proteins that regulate secretase activity.
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George‐Hyslop et al. (2011) studied this question.
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