HLA DM Monoclonal / FITC / REA406

Product Details

Description	Clone REA406 recognizes the human HLA-DM antigen, a non-classical MHC class II molecule (MHC II) chaperone that works in lysosomes and endosomes. MHC II molecules are transmembrane glycoproteins which function by binding processed antigenic peptides and presenting them to CD4+ T lymphocytes to initiate or maintain a specific immune response. Constitutive MHC II expression is restricted to professional antigen presenting cells including dendritic cells (DCs), B cells, and macrophages and to the epithelial cells of the thymus. Functional class II expression is highly dependent on the expression of two main chaperones, the invariant chain (Ii) and DM. Newly synthesized class II alpha- and beta-chains form a nonameric complex with three Ii molecules in the endoplasmic reticulum where Ii blocks the peptide-binding groove and guides class II dimers to the endocytic pathway where Ii is proteolytically cleaved leaving the CLIP fragment bound to class II. HLA-DM, an endocytic chaperone, protects empty class II dimers until they bind a peptide capable to confer enough stability to the complex. \| Additional information: Clone REA406 displays negligible binding to Fc receptors.
Conjugate	FITC
Clone	REA406
Target Species	Human
Applications	FC
Supplier	Miltenyi Biotec
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About FITC
Fluorescein isothiocyanate (FITC) has an excitation peak at 495 nm and an emission peak at 519 nm. The name FITC is a misnomer in that the isothiocyanate is a reactive form of this dye. Once FITC is conjugated to an antibody, it is simply Fluorescein conjugated. FITC is one of the most widely used dyes for fluorescent applications, therefore most instruments come standard with a 488 nm laser and FITC filter set up. FITC is commonly conjugated to secondary antibodies and used in applications such as flow cytometry, immunocytochemistry, and immunohistochemistry. FITC is relatively dim, sensitive to photobleaching and it is susceptible to changes is pH. There are better performing alternatives to FITC, like Vio®Bright 515, Alexa Fluor™ 488, iFluor® 488, CF®488A and DY-488. FITC is a long-time generic dye with no sole manufacturer or trademark.

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