This product is comprised of an anti-DLL4 monoclonal antibody (Demcizumab) labeled with cy5. cy5 is a far-red-fluorescent dye and it's excitation/emission is 649/666 nm.
This gene is a homolog of the Drosophila delta gene. The delta gene family encodes Notch ligands that are characterized by a DSL domain, EGF repeats, and a transmembrane domain.