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Neurogenic locus notch homolog 4 also known as notch 4 is a protein that in humans is encoded by the NOTCH4 gene located on chromosome 6.
An alternative splice variant of the NOTCH4 gene has been described, but its biological significance has not been determined.
The neurogenic locus notch homolog 4 protein is a member of the Notch family. Members of this type 1 transmembrane protein family share structural characteristics. These include an extracellular domain consisting of multiple epidermal growth factor-like (EGF) repeats, and an intracellular domain that consists of multiple, but different, domain types.
Notch protein family members play a role in a variety of developmental processes by controlling cell fate decisions. The Notch signaling pathway is an evolutionarily conserved intercellular signaling pathway that regulates interactions between physically adjacent cells