APY ; ATOPY ; B-lymphocyte antigen CD20 ; B-lymphocyte cell-surface antigen B1 ; Bp35 ; Fc epsilon receptor I beta chain ; Fc Fragment of IgE high affinity I receptor for beta polypeptide ; FCER1B ; High affinity immunoglobulin epsilon receptor subunit beta ; IgE Fc receptor subunit beta
Categories
Primary Antibodies
Cellular Localization
Cell Surface
Chromosome Location
11q12.2
Clonality
Monoclonal
Description
Recognizes a protein of 33-37kDa, identified as CD20 (Workshop V; Code CD20.12). B9E9 recognizes extracellular domain of CD20. The epitope is similar to or identical to that recognized by other CD20 antibodies including Leu-16 and B1. This MAb can be used for immunophenotyping of leukemia and malignant cells, B lymphocyte detection in peripheral blood, B cell localization in tissues and B lymphocyte purification by immunosorbent methods. CD20 is a non-Ig differentiation antigen of B-cells and its expression is restricted to normal and neoplastic B-cells, being absent from all other leukocytes and tissues. CD20 is expressed by pre B-cells and persists during all stages of B-cell maturation but is lost upon terminal differentiation into plasma cells. Protein passes through the membrane 4 times with both ends in cytoplasm and exposes one short and one longer loop to the external environment. CD20 is not glycosylated in resting B cells and its cytoplasmic domains are differentially phosphorylated upon activation. It acts as a calcium channel involved in B-cell activation and cell cycle progression.
Host
Mouse
Immunogen
Lymphoblastoid cell line Daudi
Positive Control
Daudi, Raji, and U266, and human lymphocytes. In normal lymph nodes and tonsils, CD20 is predominantly detected on B cells in germinal centers.
Reactivity
Human
Recombinant
FALSE
Regulatory
RUO
Swissprot
P11836
Uniprot
712553
Gene Id
931
Buffer
200μg/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA; 0.05% azide. Also available WITHOUT BSA; azide at 1.0mg/ml.
Concentration
1.0mg/ml
Description
There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.
Purity
Purified Ab WITHOUT BSA and Azide at 1.0mg/ml
Applications
FACS, IF
Description
Functional Studies (Order Ab without BSA & Azide); Optimal dilution for a specific application should be determined., FACS ; IF