Your Good Partner in Biology Research

  1. 首頁
  2. 蛋白
  3. 重組蛋白
  4. Recombinant Human HLA class II histocompatibility antigen, DP beta 1 chain (HLA-DPB1), partial

Recombinant Human HLA class II histocompatibility antigen, DP beta 1 chain (HLA-DPB1), partial

In Stock
  • 中文名稱：
    人HLA-DPB1重組蛋白
  • 貨號：
    CSB-EP361267HU
  • 規(guī)格：
    ￥1344
  • 圖片：
    • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • 其他：

產品詳情

  • 純度：
    Greater than 90% as determined by SDS-PAGE.
  • 基因名：
  • Uniprot No.：
  • 別名：
    beta1 domain MHC class II HLA DPB; class II histocompatibility antigen; DP(W4) beta chain; class II HLA beta chain; DP beta 1 chain; DP(W4) beta chain; DPB1; DPB1_HUMAN; HLA class II histocompatibility antigen; HLA class II histocompatibility antigen; DP beta 1 chain; HLA class II histocompatibility antigen; DP(W4) beta chain; HLA DP14-beta chain; HLA-DP; HLA-DP histocompatibility type; beta-1 subunit; HLA-DP1B; HLA-DPB; HLA-DPB1; major histocompatibility complex class II antigen beta chain; major histocompatibility complex; class II; DP beta 1; MHC class II antigen beta chain; MHC class II antigen DP beta 1 chain; MHC class II antigen DPB1; MHC class II antigen DPbeta1; MHC class II HLA-DP-beta-1; MHC class II HLA-DRB1; MHC HLA DPB1
  • 種屬：
    Homo sapiens (Human)
  • 蛋白長度：
    Partial
  • 來源：
    E.coli
  • 分子量：
    26.8kDa
  • 表達區(qū)域：
    30-223aa
  • 氨基酸序列
    RATPENYLFQGRQECYAFNGTQRFLERYIYNREEFARFDSDVGEFRAVTELGRPAAEYWNSQKDILEEKRAVPDRMCRHNYELGGPMTLQRRVQPRVNVSPSKKGPLQHHNLLVCHVTDFYPGSIQVRWFLNGQEETAGVVSTNLIRNGDWTFQILVMLEMTPQQGDVYTCQVEHTSLDSPVTVEWKAQSDSAR
    Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
  • 蛋白標簽：
    N-terminal 6xHis-tagged
  • 產品提供形式：
    Liquid or Lyophilized powder
    Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
  • 緩沖液：
    If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
    Note: If you have any special requirement for the glycerol content, please remark when you place the order.
    If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.
  • 儲存條件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保質期：
    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.
  • 貨期：
    3-7 business days
  • 注意事項：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
  • Datasheet & COA：
    Please contact us to get it.

產品評價

靶點詳情

  • 功能：
    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.
  • 基因功能參考文獻：
    1. Data suggest that HLA-DP molecules with beta-chains encoding Gly84 (DP(84Gly)) uses both class I and II antigen-processing pathways to present peptides derived from intracellular and extracellular sources. PMID: 28489076
    2. HLA-DP polymorphisms (rs3077 and rs9277535) were associated with Systemic lupus erythematosus susceptibility in a Chinese population PMID: 28094303
    3. High frequency expression of DPB1*0401 and *0601 are significantly associated with susceptibility to rheumatoid arthritis, it may be a risk factor for occurrence of rheumatoid arthritis. Low frequency expression of DPB1*0101, *0402 and *0501 may be negatively associated with rheumatoid arthritis, it may be a protective factor for occurrence of rheumatoid arthritis. PMID: 29425827
    4. The rs3117242 of HLA-DPB1 could be considered a genetic risk factor for granulomatosis with polyangiitis in Chinese Han people. PMID: 26014903
    5. HLA-DPB1*05:01 gene was associated with the geographical region of PV and the BTNL2 gene was significantly associated with family history and age of onset of PV. In conclusion, the HLA-DPB1*05:01 and BTNL2 genes might be responsible for the complicacy of clinical features. PMID: 28581127
    6. In this single-center study, HLA-DPB1 matching influenced outcomes of patients undergoing ASCT for hematologic malignancy. PMID: 28632323
    7. HLA-DPB1*15:01 allele was more frequent in the spontaneous seroconverted control group compared to Chronic hepatitis B Turkish patients. PMID: 29560661
    8. Genotyping and expression analysis in HLA class II gene revealed that two single nucleotide polymorphisms of HLA-DPB1 (rs2071025 and rs3116996) were significantly correlated to RNA expression and progression of hepatitis C virus-related liver diseases. PMID: 28332201
    9. Amino acid changes in the allergen-binding pocket of HLA-DPbeta1 are likely to influence pollinosis/sensitization to the allergenic peptide of JC pollen and determine the pollinosis risk for each individual exposed to JC pollen. PMID: 28460831
    10. The results showed that rs9277535 HLA-DPB1 allele frequency is associated with chronic hepatitis B infection in the Turkish patients. PMID: 28119119
    11. report contributes to emerging data showing clinical significance of the HLA-DP region genetic markers beyond structural matching of DPB1 alleles. PMID: 27595289
    12. The HLA-DP rs9277535 variant genotypes were directly associated with hepatitis B virus persistence compared to healthy controls. PMID: 27291710
    13. No statistically significant association was found between rs9277535 SNP and chronic hepatitis B. PMID: 28613373
    14. Two new signals were observed at genome-wide significance (P < 5 x 10-8), namely, rs7216064 (17q24.3, BPTF), for overall lung adenocarcinoma risk, and rs3817963 (6p21.3, BTNL2) which is specific to cases with EGFR mutations. In further sub-analyses by EGFR status, rs9387478 (ROS1/DCBLD1) and rs2179920 (HLA-DPB1) showed stronger estimated associations in EGFR-positive compared to EGFR-negative cases PMID: 28025329
    15. we show strong immunogenicity of HLA-DPB1 mismatch alleles in CD45RA-selected CD4 T cells of stem-cell donors and introduce a novel strategy to reliably generate HLA-DPB1-specific CD4 CTL that might be powerful cellular therapeutics in relapsed or refractory AML after HSCT. PMID: 27479183
    16. There was no increased risk of rheumatoid arthritis in mothers of children with phenylalanine at position 9 of DPB1. PMID: 28391248
    17. rs141530233 and rs1042169 at the HLA-DPB1 locus are associated with ANCA-associated vasculitis risk. PMID: 28029757
    18. Seven nonconservative AA substitutions in peptide-binding positions had a significantly stronger impact on DeltaFD compared with 5 others (P = .0025), demonstrating qualitative differences in the relative impact of AA polymorphism in HLA-DPB1. PMID: 27162243
    19. Study showed that HLA-DQ (rs7453920) was associated with prognosis of liver transplant recipients. The A allele of rs7453920 served as a protective factor in liver function recovery. HLA-DP (rs3077 and rs9277535) did not show any correlation with the hepatitis B virus infection and prognosis. PMID: 28640108
    20. two dermatomyositis susceptibility loci at 7q34 and 10q24.2 PMID: 27153935
    21. this study shows that HLA-DP gene polymorphisms are associated with ankylosing spondylitis in Southwest China PMID: 27394003
    22. DRB1*13:02 (P = 0.0011, Pc = 0.0319, odds ratio [OR] 0.46, 95% confidence interval [CI] 0.29-0.73), DRB1*14:06 (P = 6.60X10-5, Pc = 0.0020, OR 0.05, 95%CI 0.01-0.41), DQB1*03:01 (P = 0.0009, Pc = 0.0150, OR 0.56, 95%CI 0.40-0.79), and DPB1*02:01 (P = 5.16X10-6, Pc = 8.77X10-5, OR 0.52, 95%CI 0.39-0.69) were protectively associated with Systemic Sclerosis in Japanese. PMID: 27116456
    23. The HLA-DPB1*04:01:01G allele was significantly more frequent among women diagnosed with severe preeclampsia/eclampsia compared with controls. PMID: 27121092
    24. the HLA-DP/DQ clusters contribute independently to HBV infection, and the 3'-UTR region of HLA-DPB1 represents an important functional region involved in HBV infection PMID: 26197724
    25. Significant associations between chronic hepatitis B infection and five DPB1 alleles (two susceptibility alleles, DPB1(*) 05:01 and (*) 09:01, and three protective alleles, DPB1(*) 02:01, (*) 04:01, and (*) 04:02) were confirmed in Japanese individuals. PMID: 26449183
    26. The observed positive association between integrated HIV-1 DNA load and frequency of CD8(+)DR/DP/DQ(+) cells indicates that a close correlation between HIV persistence and immune activation continues during consistently suppressive therapy. PMID: 26498496
    27. Our results further confirm that genetic variants in the HLA-DP locus are strongly associated with reduced HBV infection and increased the likelihood of spontaneous viral clearance. PMID: 26462556
    28. Thyroid autoimmunity is highly prevalent in type 1 diabetes mellitus patients and the risk is modulated by HLA-DRB1 and HLA-DPB1 loci. PMID: 26405068
    29. DQB1*06 and DPB1*13 have roles in modulating vaccine-induced antibody responses to affect HIV-1 acquisition PMID: 26180102
    30. rs9277535 in HLA-DPB1 is a significantly associated SNP associated with chronic hepatitis B virus infection and viral clearance. PMID: 24846544
    31. Cellular misfolded proteins rescued from degradation by MHC class II molecules seem to be involved in autoimmune diseases as a target for autoantibodies. (review) PMID: 26915265
    32. findings indicate the HLA-DPB1*13:01 and +550 A alleles are significantly associated with cervical squamous cell carcinoma (CSCC) risk in Taiwanese women; in addition, significant increase in CSCC risk was observed for HLA-DPB1*13:01-G and DPB1*02:01-A haplotypes PMID: 26031576
    33. There was a significant linkage disequilibrium between these HLA-DP candidate SNPs and HLA-DPB1 protective alleles PMID: 25389088
    34. This implies the potential of rs3128965 of HLA-DPB1 as a genetic marker for diagnosis and prediction of the AERD phenotype. PMID: 25536158
    35. HLA-DPB1*04:01 may reduce the risk of tissue transglutaminase autoantibodies, an early marker of celiac disease, among DR3-DQ2 children, confirming that additional variants in the HLA region influence the risk for celiac disease autoimmunity. PMID: 26010309
    36. Among recipients of HLA-DPB1-mismatched transplants from donors with the low-expression allele, recipients with the high-expression allele had a high risk of GVHD. PMID: 26267621
    37. Results identified new susceptibility variants to narcolepsy in HLA-DPB1 and HLA-DQB1 loci in Japanese patients. PMID: 25256355
    38. The affinities of peptides for Beryllium loaded HLA-DP2 were found to depend of their amino acid composition and the peptides carrying acidic group at positions 4 and 7 are among the strongest binders. PMID: 25369028
    39. Polymorphisms in HLA-DPB1 are strongly associated with interindividual differences in neutralizing antibody levels to rubella vaccination. PMID: 25293367
    40. This is the first report of the association between early Crohn's disease and the HLA DRB1*501 single nucleotide polymorphisms. PMID: 25664710
    41. No increase in sarcoidosis was seen with either Glu69 or beryllium exposure. In Glu69 positive men with exposure >/=10 years, the trend towards increasing rate of COPD was reversed; a significant interaction of duration of exposure and Glu69 was detected. PMID: 25305207
    42. Data indicate that thirty eight HLA-DPB1 alleles were found in the systemic scleroderma cohort. PMID: 24498086
    43. HLA-DPB1 alleles influence the kinetics of anti-hepatitis B antibodies in hepatitis B booster recipients. PMID: 24285177
    44. Data indicate that HLA-DP2 transgenic mice developed a beryllium-specific adaptive immune response composed of CD4+ T cells. PMID: 24912188
    45. Data indicate five members of of DPbeta chains containing Lys-69 and GGPM 84-87, which assemble with DRalpha. PMID: 24214983
    46. Our results demonstrated that the rs3077 and rs9277535 HLA-DP polymorphisms reduced hepatitis B virus infection and increased the likelihood of spontaneous viral clearance in some Asian populations. PMID: 23601003
    47. Studied three HLA-DP and IL28B SNPs of CHB patients with and without spontaneous HBsAg seroclearance. Haplotype analysis of HLA-DP polymorphisms showed association with HBsAg seroclearance. PMID: 23449268
    48. HLA-DRB1*04:01 and HLA-DPB1*04:01 alleles were detected at higher frequencies in influenza-seroprotected compared with non-seroprotected individuals. PMID: 23951151
    49. The conditional logistic regression tests showed that DPB1*04:01 is independently associated with non-obstructive azoospermia(NOA), confirming the involvement of the HLA region in the etiology of NOA in Japanese patients. PMID: 23934009
    50. We identified the SEMA6A and HLA-DP loci as significant contributors to risk for granulomatosis with polyangiitis, with the HLA-DPB1*04 allele almost completely accounting for the MHC association PMID: 23740775

    顯示更多

    收起更多

  • 亞細胞定位：
    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. Note=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.
  • 蛋白家族：
    MHC class II family
  • 數(shù)據庫鏈接：

    HGNC: 4940

    OMIM: 142858

    KEGG: hsa:3115

    STRING: 9606.ENSP00000408146

    UniGene: Hs.485130