CD20

PAN B CELL

Clone & Isotype	Conjugate	Size	Format	Line		Part Number
H299 (B1)	Purified	100 tests	Freeze-dried	COULTER CLONE	IVD	6602140
IgG2a (mouse)	Biotin	100 tests	Freeze-dried	COULTER CLONE		6602471
	FITC	100 tests	Freeze-dried	COULTER CLONE	IVD	6602381
	RD1	100 tests	Liquid	COULTER CLONE	IVD	6603446
B9E9 (HRC20)	Purified	1 mg	Liquid			IM1456
IgG2a (mouse)	Purified	0.2 mg	Freeze-dried			IM1342
	Purified	100 tests	Liquid	IOTest		IM1454
	FITC	100 tests	Liquid	IOTest		IM1455
	PE	100 tests	Liquid	IOTest		IM1451
	PE-Cy5	100 tests	Liquid	IOTest		IM1850
CYTO-STATS

The CD20 antigen (Bp35) is a membrane-embedded non-glycosylated phosphoprotein. Three isoforms (33, 35 and 37 kDa) result from differential phosphorylation within the cytoplasmic domain. The CD20 molecule is present on all normal B cells from peripheral blood, lymph node, spleen, tonsil and bone marrow but is absent from plasma cells.It is expressed naturally but at low density on a subset of peripheral blood T cells. All monoclonal antibodies directed to the extracellular domain of the CD20 molecule are likely to bind closely related epitopes. B1 antibody was evaluated during the First International Workshop on Human Leukocyte Differentiation Antigens. B9E9 antibody was evaluated during the Fifth Workshop.

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