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Purified Anti-human CD19 Antibody
HI19a
HI19a is an anti-human monoclonal antibody that targets the CD19 antigen. CD19 (also known as T-cell surface antigen Leu-12 or B-lymphocyte surface antigen B4) is a 95 kD transmembrane glycoprotein that is found on the surface of cells like B cells and stem cells. CD19 plays a role in critical cellular pathways, in particular, the antigen receptor-mediated signaling pathway and B cell receptor signaling pathway. Furthermore, in certain organisms, it plays a role in the upregulation of phosphatidylinositol 3-kinase activity, positively regulates release of sequestered calcium ion into cytosol and plays a role in the upregulation of protein kinase B signaling. From a research standpoint, it is of biological interest due to its association with vital macromolecules/ligands such as CD81 and Leu-13. CD19 is a very popular antibody target, with over 36000 publications in the last decade. CD19 is frequently used in flow cytometry applications as a phenotypic marker for differentiation of cell types, specifically in the study of immunology and costimulatory molecules. This antibody was purified through affinity chromatography.
| Catalog | Size | Price | Quantity |
|---|---|---|---|
| 10190000 | 100 ug | Price |
Physical properties
| Molecular weight | N/A |
| Solvent | water |
Antibody properties
| Other names | B4 |
| Clone | HI19a |
| Host | mouse |
| Isotype | mouse IgG1 |
| Reactivity | human |
| Application | Flow Cytometry (FACS); ELISA; IHC; Western Blot |
Storage, safety and handling
| H-phrase | H303, H313, H333 |
| Hazard symbol | XN |
| Intended use | Research Use Only (RUO) |
| R-phrase | R20, R21, R22 |
| Storage | Refrigerated (2-8 °C); Minimize light exposure |
Contact us
| Telephone | |
| Fax | |
| sales@aatbio.com | |
| International | See distributors |
| Bulk request | Inquire |
| Custom size | Inquire |
| Technical Support | Contact us |
| Request quotation | Request |
| Purchase order | Send to sales@aatbio.com |
| Shipping | Standard overnight for United States, inquire for international |
Page updated on October 20, 2025