OSGEP Polyclonal Antibody for Western Blot, IHC (P), ELISA Osgep (O-sialoglycoprotein endopeptidase), also known as GCPL1, is a 335 amino acid protein that is a member of the peptidase M22 family. Osgep specifically cleaves the 31-Arg-l-Asp-32 bond in gl