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Home >> Antibodies >> CD19 Antibody

CD19 Antibody [clone CD19/7665] (V4404)

  Catalog No Formulation Size Price (USD)  
Image V4404-100UG 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced), 0.05% sodium azide 100 ug 519
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V4404-20UG 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced), 0.05% sodium azide 20 ug 229
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V4404SAF-100UG 1 mg/ml in 1X PBS; BSA free, sodium azide free 100 ug 519
Microvalidated
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IHC staining of FFPE human tonsil tissue with CD19 antibody (clone CD19/7665). HIER: boil tissue sections in pH 9 10mM Tris with 1mM EDTA for 20 min and allow to cool before testing.
IHC staining of FFPE human tonsil tissue with CD19 antibody (clone CD19/7665). HIER: boil tissue sections in pH 9 10mM Tris with 1mM EDTA for 20 min and allow to cool before testing.
Analysis of a HuProt(TM) microarray containing more than 19,000 full-length human proteins using CD19 antibody (clone CD19/7665). Z- and S- Score: The Z-score represents the strength of a signal that a monoclonal antibody (in combination with a fluorescently-tagged anti-IgG secondary antibody) produces when binding to a particular protein on the HuProt(TM) array. Z-scores are described in units of standard deviations (SD's) above the mean value of all signals generated on that array. If targets on HuProt(TM) are arranged in descending order of the Z-score, the S-score is the difference (also in units of SD's) between the Z-score. S-score therefore represents the relative target specificity of a mAb to its intended target. A mAb is considered to specific to its intended target, if the mAb has an S-score of at least 2.5. For example, if a mAb binds to protein X with a Z-score of 43 and to protein Y with a Z-score of 14, then the S-score for the binding of that mAb to protein X is equal to 29.
Availability 1-3 business days
Species Reactivity Human
Format Purified
Clonality Monoclonal (mouse origin)
Isotype Mouse IgG1, kappa
Clone Name CD19/7665
Purity Protein A/G affinity
UniProt P15391
Localization Cell Surface
Applications Immunohistochemistry (FFPE) : 1-2ug/ml for 30 minutes at RT
Limitations This CD19 antibody is available for research use only.
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Description

CD19 is a transmembrane glycoprotein that contains two extracellular immunoglobulin-like domains. CD19 is present in both benign and malignant B-cells and is considered to be the most reliable surface marker of this lineage over a wide range of maturational stages. In normal lymphoid tissue, CD19 is observed in germinal centers, in mantle zone cells, and in scattered cells of the inter-follicular areas. Anti-CD19 exhibits an overall immunoreactivity pattern similar to those of the antibodies against CD20 and CD22. However, in contrast to CD20, expression of CD19 is continuous throughout B-cell development and through terminal differentiation of B-cells into plasma cells. Anti-CD19 positivity is seen in the vast majority of B-cell neoplasms commonly at a lower intensity than normal B-cell counterparts. Plasma cell neoplasms are nearly always negative, as are T-cell neoplasms.

Application Notes

Optimal dilution of the CD19 antibody should be determined by the researcher.

Immunogen

A recombinant fragment of human CD19 protein (around aa1-300) was used as the immunogen for the CD19 antibody.

Storage

Aliquot the CD19 antibody and store frozen at -20oC or colder. Avoid repeated freeze-thaw cycles.

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