Quantity: tests. Clone: CD5-5D7. Conjugate: RPE-Cy5. Format: Liquid. Description: Recognises the human CD5 cell surface antigen. CD5 is expressed by T lymphocytes and by a small subset of B lymphocytes.CD5 is also expressed by certain types of B cell malignancy, including B cell chronic lymphocytic leukaemia (B-CLL). Specificity: human CD5  More »