{{Infobox
| image = APP Structure
| infobox-header = APP Protein
| infobox-subheader = Amyloid Precursor Protein
| label1 = Gene
| data1 = APP
| label2 = UniProt ID
| data2 = P05067
| label3 = PDB Structures
| data3 = 1APP, 1MWP, 2LLM, 4PWQ, 5UJM
| label4 = Molecular Weight
| data4 = ~770-870 kDa (multiple isoforms: 770, 751, 695 aa)
| label5 = Subcellular Localization
| data5 = Cell membrane, endosomes, Golgi, ER, mitochondria
| label6 = Protein Family
| data6 = APP family (APP, APLP1, APLP2)
}}
APP Protein (Amyloid Precursor Protein) is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
APP encodes the Amyloid Precursor Protein, a transmembrane protein that is central to Alzheimer's disease pathogenesis. APP is proteolytically processed by three secretases (alpha, beta, gamma) to produce various fragments, including amyloid-beta (Aβ) peptides that form the characteristic plaques in AD brains.
APP is a type I transmembrane protein with multiple isoforms:
Key structural features:
Proteolytic processing:
APP has important physiological functions:
The study of App Protein has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.