Recombinant Human HLA class II histocompatibility antigen, DRB1-13 beta chain(HLA-DRB1)

Code CSB-CF716872HU
Size Pls inquire
Source in vitro E.coli expression system
Have Questions? Leave a Message or Start an on-line Chat

Product Details

Target Names HLA-DRB1
Uniprot No. Q5Y7A7
Species Homo sapiens (Human)
Expression Region 30-266
Target Protein Sequence GDTRPRFLEYSTSECHFFNGTERVRFLDRYFHNQEENVRFDSDVGEFRAVTELGRPDAEY WNSQKDILEDERAAVDTYCRHNYGVVESFTVQRRVHPKVTVYPSKTQPLQHHNLLVCSVS GFYPGSIEVRWFRNGQEEKTGVVSTGLIHNGDWTFQTLVMLETVPRSGEVYTCQVEHPSV TSPLTVEWRARSESAQSKMLSGVGGFVLGLLFLGAGLFIYFRNQKGHSGLQPRGFLS
Protein Length Full Length of Mature Protein
Tag Info The following tags are available.
N-terminal His-tagged
Tag-Free
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

Customer Reviews and Q&A

 Customer Reviews

There are currently no reviews for this product.

Submit a Review here

Earn $30 Amazon Card or 20μL/μg CUSABIO Trial Size Antibody. Details of rewards >>

 Q&A
Q:

We are trying to develop a multiplexing assay on Luminex to detect the HLA Class I and II antibodies in individuals.
We are looking for manufacturer who can provide us human derived recombined HLA class I and II antigens, checked on your website and find some Locus antigens are available with you. For the panel designing we need antigens of locu DBR1.
Could you please provide some idea about it?

A:
As to your request for the antigen of DBR1, please check detailed information as follows:
We can provide all of these antigens expressed by our four expression systems: E.coli, Yeast, Baculovirus and Mammalian Cell, please check and confirm which expression system you need.
DRB1
This protein is transmembrane protein containing one transmembrane domain, we can provide the full length protein expressed by our cell free expression system, and we can also provide the partial protein expressed by the other four expression systems, please check information as follows:
Recombinant Human HLA class II histocompatibility antigen, DRB1-13 beta chain(HLA-DRB1)
CSB-CF716872HU
Expression Region:30-266aa; Mature full length protein.
Tag information:Tag type will be determined during the manufacturing process. (The expected tag is N-terminal 10xHis-tagged)
Sequence:

GDTRPRFLEYSTSECHFFNGTERVRFLDRYFHNQEENVRFDSDVGEFRAVTELGRPDAEYWNSQKDILEDERAAVDTYCRHNYGVVESFTVQRRVHPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKTGVVSTGLIHNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRARSESAQSKMLSGVGGFVLGLLFLGAGLFIYFRNQKGHSGLQPRGFLS


Recombinant Human HLA class II histocompatibility antigen, DRB1-13 beta chain(HLA-DRB1),partial
CSB-YP716872HU1 >> Yeast
CSB-EP716872HU1 >> E.coli
CSB-BP716872HU1 >> Baculovirus
CSB-MP716872HU1 >> Mammalian cell
Expression Region:30-227aa; Partial.
Tag information:Tag type will be determined during the manufacturing process.
The expected tag for each expression system is listed as follows: YP: N-terminal 6xHis-tagged; EP, BP, MP: N-terminal 10xHis-tagged and C-terminal Myc-tagged.
Sequence:

GDTRPRFLEYSTSECHFFNGTERVRFLDRYFHNQEENVRFDSDVGEFRAVTELGRPDAEYWNSQKDILEDERAAVDTYCRHNYGVVESFTVQRRVHPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKTGVVSTGLIHNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRARSESAQSK

Target Background

Function
(From Uniprot)
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.
Subcellular Location Cell membrane, Single-pass type I membrane protein, Endoplasmic reticulum membrane, Single-pass type I membrane protein, Golgi apparatus, trans-Golgi network membrane, Single-pass type I membrane protein, Endosome membrane, Single-pass type I membrane protein, Lysosome membrane, Single-pass type I membrane protein, Late endosome membrane, Single-pass type I membrane protein
Protein Families MHC class II family
Database Links

HGNC: 4948

OMIM: 142857

UniGene: Hs.485130

Newsletters

Get all the latest information on Events, Sales and Offers. Sign up for newsletter today.

© 2007-2021 CUSABIO TECHNOLOGY LLC All rights reserved. 鄂ICP备15011166号-1