Notch 2

Protein found in humans


title: "Notch 2" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public description: "Protein found in humans" topic_path: "uncategorized" source: "https://en.wikipedia.org/wiki/Notch_2" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Protein found in humans ::

Neurogenic locus notch homolog protein 2 (Notch 2) is a protein that in humans is encoded by the NOTCH2 gene.

NOTCH2 is associated with Alagille syndrome and Hajdu–Cheney syndrome.

Function

Notch 2 is a member of the notch family. Members of this type 1 transmembrane protein family share structural characteristics including an extracellular domain consisting of multiple epidermal growth factor-like (EGF) repeats, and an intracellular domain consisting of multiple, different domain types. Notch family members play a role in a variety of developmental processes by controlling cell fate decisions. The Notch signaling network is an evolutionarily conserved intercellular signaling pathway that regulates interactions between physically adjacent cells. In Drosophila, notch interaction with its cell-bound ligands (delta, serrate) establishes an intercellular signaling pathway that plays a key role in development. Homologues of the notch-ligands have also been identified in human, but precise interactions between these ligands and the human notch homologues remain to be determined. This protein is cleaved in the trans-Golgi network, and presented on the cell surface as a heterodimer. This protein functions as a receptor for membrane bound ligands, and may play a role in vascular, renal and hepatic development.

Mutations within the last coding exon of Notch2 that remove the PEST domain and escape the nonsense-mediated mRNA decay have been shown to be the main cause of the Hajdu–Cheney syndrome.

Interactions

NOTCH2 has been shown to interact with:

References

References

  1. (May 1995). "The human NOTCH1, 2, and 3 genes are located at chromosome positions 9q34, 1p13-p11, and 19p13.2-p13.1 in regions of neoplasia-associated translocation". Genomics.
  2. (2007). "Screening for Alagille syndrome mutations in the JAG1 and NOTCH2 genes using denaturing high-performance liquid chromatography". Genet. Test..
  3. (2011-03-06). "Mutations in NOTCH2 cause Hajdu-Cheney syndrome, a disorder of severe and progressive bone loss.". Nature Genetics.
  4. "Entrez Gene: NOTCH2 Notch homolog 2 (Drosophila)".
  5. (2011). "Mutations in NOTCH2 cause Hajdu-Cheney syndrome, a disorder of severe and progressive bone loss". Nature Genetics.
  6. (2011). "Truncating mutations in the last exon of NOTCH2 cause a rare skeletal disorder with osteoporosis". Nature Genetics.
  7. (2011). "Mutations in NOTCH2 in families with Hajdu-Cheney syndrome". Hum Mutat.
  8. (July 1997). "Intracellular cleavage of Notch leads to a heterodimeric receptor on the plasma membrane". Cell.
  9. (August 2003). "Phosphorylation by glycogen synthase kinase-3 beta down-regulates Notch activity, a link for Notch and Wnt pathways". J. Biol. Chem..
  10. (July 2001). "Manic fringe and lunatic fringe modify different sites of the Notch2 extracellular region, resulting in different signaling modulation". J. Biol. Chem..
  11. (September 2000). "Binding of Delta1, Jagged1, and Jagged2 to Notch2 rapidly induces cleavage, nuclear translocation, and hyperphosphorylation of Notch2". Mol. Cell. Biol..
  12. (November 1999). "Mouse jagged1 physically interacts with notch2 and other notch receptors. Assessment by quantitative methods". J. Biol. Chem..

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