Monoclonal anti CD20 (109 3C2)

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Catalog #: BNUB0355
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Product Description

Recognizes a protein of 30-33kDa, which is identified as CD20 (Workshop V; Code CD20.12. Workshop IV; Code B17). It recognizes an extracellular domain of CD20. It 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. The 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 calcium channel involved in B cell activation and cell cycle progression.

Schlossman S, et al. (eds). Leukocyte Typing V, Oxford University Press, Oxford, p511-515, 1995. | Knapp W et al. (eds) Leukocytes Typing IV, Oxford University Press, Oxford, p51, 1989. | Tedder TF and Schlossman SF. Phosphorylation of the B1 (CD20) molecule by normal and malignant human B-lymphocytes. J Biol Chem 1988, 263(20):10009-10015. | Bubien JK et al. Transfection of the CD20 cell surface molecule into ectopic cell types generates a Ca2+ conductance found constitutively in B-lymphocytes. J Cell Biol 1993, 121(5):1121-1132. | Tedder TF and Engel P. CD20: a regulator of cell-cycle progression of B-lymphocytes. Immunol Today 1994, 15(9):450-454. | Kanzaki M et al. Expression of calcium-permeable cation channel CD20 accelerates progression through the G1 phase in Balb/c 3T3 cells. J Biol Chem 1995, 270(22):13099-13104

Additional Information

Conjugation

Purified with BSA, 0.2 mg/mL, Purified, BSA-free, 1 mg/mL, CF405S, CF405M, CF488A, CF543, CF555, CF568, CF594, CF640R, CF647, CF660R, CF680, CF680R, CF770, Biotin, R-PE, APC, Per-CP, Alkaline Phosphatase, HRP

Size

50 uL, 100 uL, 250 uL, 500 uL

Supplied As

Purified: 0.2 mg/mL in PBS/0.05% BSA/0.05% azide, Purified, BSA-free: 1 mg/mL in PBS without azide, Conjugates: 0.1 mg/mL in PBS/0.1% BSA/0.05% azide, HRP conjugates: 0.1 mg/mL in PBS/0.05% BSA

Antibody type

Primary

Host species

Mouse

Reactivity (target)

CD20 (109-3C2)

Clonality

Monoclonal

Isotype

IgG3, kappa

Clone

109-3C2

Molecular weight

33-37 kDa

Synonyms
Entrez gene ID

931

SwissProt

P11836

Unigene

712553

Immunogen

Stimulated human leukocytes

Species reactivity

Human

Applications

Functional studies, Flow cytometry, Immunofluorescence

Cellular localization

Predominantly cell surface with some cytoplasmic

Application notes

Flow Cytometry (0.5-1 ug/million cells/0.1 mL), Functional Studies order Ab without BSA & azide), Immunofluorescence 0.5-1 ug/mL, Optimal dilution for a specific application should be determined

Positive control

Daudi, Raji, and U266, and human lymphocytes. Lymph nodes and tonsils.

MSDS (PDF):MSDS Primary antibodies

Protocol (PDF): Protocols for antibody-based detection

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