Anti-HLA-DQB1 antibody (ab183898)
Key features and details
- Rabbit polyclonal to HLA-DQB1
- Suitable for: WB, ICC/IF
- Reacts with: Human
- Isotype: IgG
Overview
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Product name
Anti-HLA-DQB1 antibody
See all HLA-DQB1 primary antibodies -
Description
Rabbit polyclonal to HLA-DQB1 -
Host species
Rabbit -
Tested applications
Suitable for: WB, ICC/IFmore details -
Species reactivity
Reacts with: Human -
Immunogen
Recombinant fragment within Human HLA-DQB1 aa 1-189. The exact sequence is proprietary.
Database link: P01920 -
Positive control
- Raji cells. Jurkat whole cell lysate (ab7899)
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General notes
The Life Science industry has been in the grips of a reproducibility crisis for a number of years. Abcam is leading the way in addressing this with our range of recombinant monoclonal antibodies and knockout edited cell lines for gold-standard validation. Please check that this product meets your needs before purchasing.
If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, along with publications, customer reviews and Q&As
Properties
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Form
Liquid -
Storage instructions
Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term. Avoid freeze / thaw cycle. -
Storage buffer
pH: 7.00
Preservative: 0.01% Thimerosal (merthiolate)
Constituents: 1.21% Tris, 0.75% Glycine, 20% Glycerol (glycerin, glycerine) -
Concentration information loading...
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Purity
Immunogen affinity purified -
Clonality
Polyclonal -
Isotype
IgG -
Research areas
Associated products
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Compatible Secondaries
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Isotype control
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Positive Controls
Applications
The Abpromise guarantee
Our Abpromise guarantee covers the use of ab183898 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Application | Abreviews | Notes |
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WB |
1/500 - 1/3000. Predicted molecular weight: 30 kDa.
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ICC/IF |
1/100 - 1/1000.
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Notes |
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WB
1/500 - 1/3000. Predicted molecular weight: 30 kDa. |
ICC/IF
1/100 - 1/1000. |
Target
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Function
Binds peptides derived from antigens that access the endocytic route of antigen presenting cells (APC) and presents them on the cell surface for recognition by the CD4 T-cells. The peptide binding cleft accommodates peptides of 10-30 residues. The peptides presented by MHC class II molecules are generated mostly by degradation of proteins that access the endocytic route, where they are processed by lysosomal proteases and other hydrolases. Exogenous antigens that have been endocytosed by the APC are thus readily available for presentation via MHC II molecules, and for this reason this antigen presentation pathway is usually referred to as exogenous. As membrane proteins on their way to degradation in lysosomes as part of their normal turn-over are also contained in the endosomal/lysosomal compartments, exogenous antigens must compete with those derived from endogenous components. Autophagy is also a source of endogenous peptides, autophagosomes constitutively fuse with MHC class II loading compartments. In addition to APCs, other cells of the gastrointestinal tract, such as epithelial cells, express MHC class II molecules and CD74 and act as APCs, which is an unusual trait of the GI tract. To produce a MHC class II molecule that presents an antigen, three MHC class II molecules (heterodimers of an alpha and a beta chain) associate with a CD74 trimer in the ER to form a heterononamer. Soon after the entry of this complex into the endosomal/lysosomal system where antigen processing occurs, CD74 undergoes a sequential degradation by various proteases, including CTSS and CTSL, leaving a small fragment termed CLIP (class-II-associated invariant chain peptide). The removal of CLIP is facilitated by HLA-DM via direct binding to the alpha-beta-CLIP complex so that CLIP is released. HLA-DM stabilizes MHC class II molecules until primary high affinity antigenic peptides are bound. The MHC II molecule bound to a peptide is then transported to the cell membrane surface. In B-cells, the interaction between HLA-DM and MHC class II molecules is regulated by HLA-DO. Primary dendritic cells (DCs) also to express HLA-DO. Lysosomal microenvironment has been implicated in the regulation of antigen loading into MHC II molecules, increased acidification produces increased proteolysis and efficient peptide loading. -
Sequence similarities
Belongs to the MHC class II family.
Contains 1 Ig-like C1-type (immunoglobulin-like) domain. -
Cellular localization
Cell membrane. Endoplasmic reticulum membrane. Golgi apparatus, trans-Golgi network membrane. Endosome membrane. Lysosome membrane. The MHC class II complex transits through a number of intracellular compartments in the endocytic pathway until it reaches the cell membrane for antigen presentation. - Information by UniProt
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Database links
- Entrez Gene: 3119 Human
- Omim: 604305 Human
- SwissProt: P01920 Human
- Unigene: 409934 Human
- Unigene: 534322 Human
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Alternative names
- CELIAC1 antibody
- DQ beta 1 chain antibody
- DQB1_HUMAN antibody
see all
Images
Protocols
Datasheets and documents
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SDS download
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Datasheet download
References (1)
ab183898 has been referenced in 1 publication.
- Vainer ED et al. Novel Proteome Extraction Method Illustrates a Conserved Immunological Signature of MSI-H Colorectal Tumors. Mol Cell Proteomics 19:1619-1631 (2020). PubMed: 32641473