Anti-HLA-DR1 (empty) Purified

Anti-HLA-DR1 (empty) Purified
Regulatory status
RUO
Antigen
HLA-DR1 (empty)
Clone
MEM-267
Format
Purified
Reactivity
Human
Application
Variant
0.1 mg
11-435-C100
In stock
140.00 USD

0.025 mg
11-435-C025
Delivery 1 week
70.00 USD
Variant
0.1 mg
11-261-C100
In stock
140.00 USD

0.1 mg
11-261-C100
In stock
70.00 USD
Product details
Description
Images
References
Isotype
Mouse IgG2b
Specificity
The antibody MEM-267 specifically binds extracellularly to the empty but not peptide-loaded form of HLA-DR1. DR is the isotypes of human MHC Class II molecules expressed on antigen-presenting cells (APC; dendritic cells, B lymphocytes, monocytes, macrophages).
Application
Application details
Flow cytometry: The antibody MEM-267 stains immature dendritic cells that express empty cell surface MHC molecules, but not cells that express predominantly peptide loaded forms.
Reactivity
Human
Immunogen
Purified, insoluble DR1 beta chain (DRB1*0101) expressed in E. coli inclusion bodies.
Concentration
1 mg/ml
Preparation
Purified by protein-A affinity chromatography.
Formulation
Phosphate buffered saline (PBS), pH 7.4, 15 mM sodium azide
Storage and handling
Store at 2-8°C. Do not freeze.
Exbio licence note
The product is intended For Research Use Only. Diagnostic or therapeutic applications are strictly forbidden. Products shall not be used for resale or transfer to third parties either as a stand-alone product or as a manufacture component of another product without written consent of EXBIO Praha, a.s. EXBIO Praha, a.s. will not be held responsible for patent infringement or any other violations of intellectual property rights that may occur with the use of the products. Orders for all products are accepted subject to the Term and Conditions available at www.exbio.cz. EXBIO, EXBIO Logo, and all other trademarks are property of EXBIO Praha, a.s.
Antigen description
HLA-DR1 belongs to the HLA class II beta chain paralogues. The MHC Class II molecule is a heterodimer consisting of an alpha (DRA) and a beta chain (DRB), both anchored in the membrane. It plays a central role in the immune system by presenting peptides derived from extracellular proteins. MHC Class II molecules are expressed in antigen presenting cells (APC). The beta chain is approximately 26-28 kDa. Within the DR molecule the beta chain contains all the polymorphisms specifying the peptide binding specificities. Hundreds of DRB1 alleles have been described and typing for these polymorphisms is routinely done for bone marrow and kidney transplantation.
11-435 WB
Western blotting analysis of HLA-DR1 in Raji (A) and Jurkat (B) cell lines using MEM-267 antibody.

Product specific references:

Potolicchio I, Chitta S, Xu X, Fonseca D, Crisi G, Horejsi V, Strominger JL, Stern LJ, Raposo G, Santambrogio L: Conformational variation of surface class II MHC proteins during myeloid dendritic cell differentiation accompanies structural changes in lysosomal MIIC. J Immunol. 2005 Oct 15;175(8):4935-47.
PubMed
Carven GJ, Chitta S, Hilgert I, Rushe MM, Baggio RF, Palmer M, Arenas JE, Strominger JL, Horejsi V, Santambrogio L, Stern LJ: Monoclonal antibodies specific for the empty conformation of HLA-DR1 reveal aspects of the conformational change associated with peptide binding. J Biol Chem. 2004 Apr 16;279(16):16561-70.
PubMed
Variant
0.1 mg
11-435-C100
In stock
140.00 USD

0.025 mg
11-435-C025
Delivery 1 week
70.00 USD
Variant
0.1 mg
11-261-C100
In stock
140.00 USD

0.1 mg
11-261-C100
In stock
70.00 USD

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