protein 1,279 words KG: PRIONPROTEINPRP
Contents

Prion Protein (PrP)

🔬 Protein Info
Gene SymbolPRIONPROTEINPRP
AliasesPRIONPROTEINPRP
Subcellular Localization** | Cell membrane (GPI-anchored), cytoplasm |
Alpha-helicesThree alpha-helices (A: 144-154, B: 173-194, C: 200-228)
Beta-strandsTwo beta-strands (B1: 128-131, B2: 161-164) form a small beta-sheet
Glycosylation sitesTwo N-linked glycosylation sites (Asn181, Asn197)
Copper bindingThe octarepeat region binds up to 4 Cu<sup>2+</sup> ions[@brown1997]
Beta-sheet contentIncreased from ~10% to ~40-50%
Protease resistanceC-terminal fragment (residues ~81-231) becomes proteinase K-resistant
Aggregation propensityForms amyloid fibrils and plaques
Glycosylation patternDistinct glycoform ratios compared to PrP<sup>C</sup>
Antioxidant activityCopper-bound PrP<sup>C</sup> exhibits SOD-like activity[@brown1997]
Cellular stress responseUpregulated under oxidative stress conditions
Anti-apoptotic signalingActivates PI3K/Akt and MAPK pathways
Synaptic maintenanceEssential for synaptic structure and function[@colby2011]
NeurotransmissionModulates GABAergic and glutamatergic signaling
KG Connections1 knowledge graph edges
DatabasesGeneCardsUniProtNCBI GeneHPASTRING

No AI portrait yet

Knowledge Graph

Community Feedback

0 0 upvotes · 0 downvotes
💬 0 comments ⚠ 0 flags ✏ 0 edit suggestions

No comments yet. Be the first to comment!

View all feedback (JSON)