HLA-DRB Monoclonal Mouse Antibody (L243)
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Product Description
This MAb reacts with the HLA-DRB1 antigen, a member of MHC class II molecules. It does not cross react with HLA-DP and HLA-DQ. It binds a conformational epitope on HLA-DR, which depends on the correct folding of the α/β heterodimer. This MAb has been reported to block mixed lymphocyte reactions. The L243 antibody recognizes a different epitope than the LN3 monoclonal antibody, and these antibodies do not cross-block binding to each other’s respective epitopes. HLA-DR is a heterodimeric cell surface glycoprotein comprised of a 36kD alpha (heavy) chain and a 28kD beta (light) chain. It is expressed on B-cells, activated T-cells, monocytes/macrophages, dendritic cells and other non-professional APCs. In conjunction with the CD3/TCR complex and CD4 molecules, HLA-DR is critical for efficient peptide presentation to CD4 T cells. It is an excellent histiocytic marker in paraffin sections producing intense staining. True histiocytic neoplasms are similarly positive. HLA-DR antigens also occur on a variety of epithelial cells and their corresponding neoplastic counterparts.
Primary antibodies are available purified, or with a selection of fluorescent CF® dyes and other labels. CF® dyes offer exceptional brightness and photostability. See the CF® Dye Brochure for more information. Note: Conjugates of blue fluorescent dyes like CF®405S and CF®405M are not recommended for detecting low abundance targets, because blue dyes have lower fluorescence and can give higher non-specific background than other dye colors.
Catalog number key for antibody number 0458, Anti-HLA-DRB (L243)
Antibody # prefix | Conjugation | Ex/Em (nm) | Laser line | Detection channel | Dye Features |
---|---|---|---|---|---|
BNC04 | CF®405S | 404/431 | 405 | DAPI (microscopy), AF405 | CF®405S Features |
BNC88 | CF®488A | 490/515 | 488 | GFP, FITC | CF®488A Features |
BNC68 | CF®568 | 562/583 | 532, 561 | RFP, TRITC | CF®568 Features |
BNC94 | CF®594 | 593/614 | 561 | Texas Red® | CF®594 Features |
BNC40 | CF®640R | 642/662 | 633-640 | Cy®5 | CF®640R Features |
BNC47 | CF®647 | 650/665 | 633-640 | Cy®5 | CF®647 Features |
BNC74 | CF®740 | 742/767 | 633-685 | 775/50 | CF®740 Features |
BNCB | Biotin | N/A | N/A | N/A | |
BNUB | Purified | N/A | N/A | N/A | |
BNUM | Purified, BSA-free | N/A | N/A | N/A |
References
Note: References for this clone sold by other suppliers may be listed for expected applications.
- Nature (1983) 304: 358-361. (IP, Flow)
- J Exp Med (2000) 191 (8): 1395-1412. (functional studies)
- J Clin Pathol (1991) 44:102-106. (IHC, frozen)
- Int J Cancer (2001) 93: 556-565. (ELISA, Flow, functional studies)