Ligand for multiple Notch receptors and involved in the mediation of Notch signaling. May be involved in cell-fate decisions during hematopoiesis. Seems to be involved in early and late stages of mammalian cardiovascular development. Inhibits myoblast differentiation. Enhances fibroblast growth factor-induced angiogenesis (in vitro). Interacts with NOTCH2 and NOTCH3. Interacts with NOTCH1 (in the presence of calcium ions). Widely expressed in adult and fetal tissues. In cervix epithelium expressed in undifferentiated subcolumnar reserve cells and squamous metaplasia. Expression is up-regulated in cervical squamous cell carcinoma. Expressed in bone marrow cell line HS-27a which supports the long-term maintenance of immature progenitor cells. Note: This description may include information from UniProtKB.
Protein type: Membrane protein, integral
Cellular Component: membrane; apical part of cell; integral to plasma membrane; plasma membrane; extracellular region
Molecular Function: protein binding; growth factor activity; calcium ion binding; Notch binding; structural molecule activity
Biological Process: nervous system development; endothelial cell differentiation; Notch signaling pathway; positive regulation of myeloid cell differentiation; T cell mediated immunity; Notch receptor processing; auditory receptor cell differentiation; cell fate determination; negative regulation of fat cell differentiation; regulation of cell migration; regulation of cell proliferation; keratinocyte differentiation; myoblast differentiation; negative regulation of neuron differentiation; response to muramyl dipeptide; morphogenesis of an epithelial sheet; positive regulation of transcription from RNA polymerase II promoter; hemopoiesis; angiogenesis; positive regulation of Notch signaling pathway
SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.