[5] DLL1 is a human homolog of the Notch Delta ligand and is a member of the delta/serrate/jagged family.

It plays a role in mediating cell fate decisions during hematopoiesis.

It may play a role in cell-to-cell communication.

[5] Delta-like 1 has been shown to interact with NOTCH2.

This article on a gene on human chromosome 6 is a stub.