VYN00459, also known as NH2-Glu(OBu-t)-Val-Cit, is a tripeptide linker, which is enzymatic cleavable. VYN00459 has sequence of Glutamic acid-Valine-Citruline with glutamic acid side chain protected with t-butyl ester. VYN00459 has no formal name, its name was generated by using its inchi key and the molecule weight. Also see Hodoodo Chemical Nomenclature (https://hodoodo.com/hodoodo-chemical-nomenclature/).