This antibody recognizes Human CD74, a type II transmembrane protein, which is also known as the MHC class II associated invariant chain. The Bu45 antibody recognizes 33, 35 and 41 kDa isoforms of CD74.
Characteristics
Synonyms: p33, DHLAG, HLA class II histocompatibility antigen gamma chain, HLA-DRantigens-associated invariant chain, Ia antigen-associated invariant chain
Purification
Affinity chromatography on Protein G
Immunogen
B lymphoblastoid cell line HFB1. Spleen cells from immunised mice were fused with cells ofthe Ag8. 653 myeloma cell line. Genename: CD74
Immunoprecipitation. Immunohistochemistry on frozen sections. Flow Cytometry: 1/25 - 1/50,use 10 μL of the suggested working dilution to label 1x106 cells in 100 μL. Other applications not tested. Optimal dilutions are dependent on conditions and should be determined by the user.
Restrictions
For Research Use only
Concentration
1.0mg/mL
Buffer
PBS, pH 7.4, 0.09 % Sodium Azide
Preservative
Sodium azide
Precaution of Use
This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Storage
4 °C
Storage Comment
Store at +4 °C or at -20 °C if preferred. This product should be stored undiluted. Storage in frost-free freezers is not recommended. Avoid repeated freezing and thawing. Should this product contain a precipitate we recommend microcentrifugation before use. Shelf life: one year from despatch.
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Background
The CD74 Molecule plays a critical role in the presentation of peptides, by the MHC class II antigens, to CD4 positive lymphocytes. CD74 is expressed on MHC class II positive cells including B cells, a subset of activated T cells, monocytes, dendritic cells and by various types of carcinoma. Expression of CD74 is primarily intracellular with moderate expression at the cell surface of B cells and monocytes. The Bu45 antibody binds to an epitope within the extracytoplasmic domain of the CD74 Molecule, which is distal from the C-terminus.Synonyms: DHLAG, HLA class II histocompatibility antigen gamma chain, HLA-DR antigens-associated invariant chain, Ia antigen-associated invariant chain, p33