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My CartReactivity：Human,Mouse
Application：WB
Clone Type：Polyclonal Antibody
Storage：Store at -20℃. Avoid freeze/thaw cycles.
Gene ID：3120
Host：Rabbit
Qty：
Size：
| Name | Anti-HLA-DQB2 Polyclonal Antibody |
| Host | Rabbit |
| Clone Type | Polyclonal Antibody |
| Subtype | IgG |
| Dilution Ratio | WB 1:1000-3000. |
| Target | HLA-DQB2 |
| Background | 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. |
| Swiss Prot | P05538 |
| Gene ID | 3120 |
| Subcellular Location | Cytoplasm Cell membrane |
| Immunogen | Recombinant protein of human HLA-DQB2 |
| Public Immunogen Range | 1-231aa |
| Calculated MW | 30/26kDa |
| Purification Method | Affinity purification |
| Storage Buffer | PBS with 50% Glycerol，0.03% Proclin300，0.5% BSA，pH 7.3. |
| Storage | Store at -20℃. Avoid freeze/thaw cycles. |
| Unit | Piece |
| Specification | 20ul 50ul 100ul |
| Reactivity | Human Mouse |
| Application | WB |
Remark：These protocols are for reference only. Solarbio does not independently validate these methods.
Kindly reminder：Quick spin before use. If you have any questions, please contact us.
Note：
1. The products are all for scientific research use only. Do not use it for medical, clinical diagnosis or treatment, food and cosmetics, etc. Do not store them in ordinary residential areas.
2. For your safety and health, please wear laboratory clothes, disposable gloves and masks.
3. The experimental results may be affected by many factors, after-sale service is limited to the product itself and does not involve other compensation.
Western blot analysis with HLA-DQB2 antibody diluted at 1:2000;Lane: Mouse heart,Mouse liver,Mouse spleen.
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