Purity：Murine ascites purified by column chromatography.
Form：Supplied as a liquid in PBS, pH 7.2, 0.09% sodium azide and a stabilizer. Labeled with Allophycocyanin (APC).
Specificity：Recognizes the 220kD MW component of the leukocyte common antigen complex expressed on some CD4+ T lymphocytes, B lymphocytes and CD8+ lymphocytes. The CD45R+/CD4+ lymphocytes functionally exert suppressor/inducer activity in in vitro assay systems.
