Tags: Protein.
CAMPATH-1 antigen also known as cluster of differentiation 52 (CD52) is a glycoprotein that in humans is encoded by the CD52 gene.CD52 is present on the surface of mature lymphocytes but not on the stem cells from which these lymphocytes were derived. It also is found on monocytes and dendritic cells. Further it is found within the male genital tract and is present on the surface of mature sperm cells.