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  4. Recombinant Human Activin receptor type-1B (ACVR1B)

Recombinant Human Activin receptor type-1B (ACVR1B)

  • 中文名称：
    Recombinant Human Activin receptor type-1B (ACVR1B)
  • 货号：
    CSB-CF001258HU
  • 规格：
    ￥9720
  • 图片：
    • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • 其他：

产品详情

  • 纯度：
    Greater than 85% as determined by SDS-PAGE.
  • 生物活性：
    Not Test
  • 基因名：
  • Uniprot No.：
  • 别名：
    Activin receptor type IB (ACTR-IB);Activin receptor-like kinase 4 (ALK-4)
  • 种属：
    Homo sapiens (Human)
  • 蛋白长度：
    Full Length of Mature Protein
  • 来源：
    in vitro E.coli expression system
  • 分子量：
    56.1
  • 表达区域：
    24-505aa
  • 氨基酸序列
    SGPRGVQALLCACTSCLQANYTCETDGACMVSIFNLDGMEHHVRTCIPKVELVPAGKPFYCLSSEDLRNTHCCYTDYCNRIDLRVPSGHLKEPEHPSMWGPVELVGIIAGPVFLLFLIIIIVFLVINYHQRVYHNRQRLDMEDPSCEMCLSKDKTLQDLVYDLSTSGSGSGLPLFVQRTVARTIVLQEIIGKGRFGEVWRGRWRGGDVAVKIFSSREERSWFREAEIYQTVMLRHENILGFIAADNKDNGTWTQLWLVSDYHEHGSLFDYLNRYTVTIEGMIKLALSAASGLAHLHMEIVGTQGKPGIAHRDLKSKNILVKKNGMCAIADLGLAVRHDAVTDTIDIAPNQRVGTKRYMAPEVLDETINMKHFDSFKCADIYALGLVYWEIARRCNSGGVHEEYQLPYYDLVPSDPSIEEMRKVVCDQKLRPNIPNWWQSYEALRVMGKMMRECWYANGAARLTALRIKKTLSQLSVQEDVKI
    Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
  • 蛋白标签：
    N-terminal 10xHis-tagged
  • 产品提供形式：
    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.
  • 缓冲液：
    If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.
  • 复溶：
    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.
  • 储存条件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保质期：
    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.
  • 货期：
    Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
  • 注意事项：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.
  • Datasheet & COA：
    Please contact us to get it.

产品评价

靶点详情

  • 功能：
    Transmembrane serine/threonine kinase activin type-1 receptor forming an activin receptor complex with activin receptor type-2 (ACVR2A or ACVR2B). Transduces the activin signal from the cell surface to the cytoplasm and is thus regulating a many physiological and pathological processes including neuronal differentiation and neuronal survival, hair follicle development and cycling, FSH production by the pituitary gland, wound healing, extracellular matrix production, immunosuppression and carcinogenesis. Activin is also thought to have a paracrine or autocrine role in follicular development in the ovary. Within the receptor complex, type-2 receptors (ACVR2A and/or ACVR2B) act as a primary activin receptors whereas the type-1 receptors like ACVR1B act as downstream transducers of activin signals. Activin binds to type-2 receptor at the plasma membrane and activates its serine-threonine kinase. The activated receptor type-2 then phosphorylates and activates the type-1 receptor such as ACVR1B. Once activated, the type-1 receptor binds and phosphorylates the SMAD proteins SMAD2 and SMAD3, on serine residues of the C-terminal tail. Soon after their association with the activin receptor and subsequent phosphorylation, SMAD2 and SMAD3 are released into the cytoplasm where they interact with the common partner SMAD4. This SMAD complex translocates into the nucleus where it mediates activin-induced transcription. Inhibitory SMAD7, which is recruited to ACVR1B through FKBP1A, can prevent the association of SMAD2 and SMAD3 with the activin receptor complex, thereby blocking the activin signal. Activin signal transduction is also antagonized by the binding to the receptor of inhibin-B via the IGSF1 inhibin coreceptor. ACVR1B also phosphorylates TDP2.
  • 基因功能参考文献：
    1. Overexpression of ALK4 suppressed glioma cell proliferation, migration and invasion through the inactivation of JAK/STAT3 signaling pathway. PMID: 29278854
    2. Results showed that ACVR1B expression is upregulated during latent infection with a miR-UL148D deletion virus. Data indicates miR-UL148D inhibits ACVR1B expression in latently infected cells to limit proinflammatory cytokine secretion. PMID: 27491954
    3. Our study provided experimental and clinical evidence for the involvement of activin A and ALK4 in the pathophysiology of atrial fibrosis and atrial fibrillation PMID: 28639003
    4. It was concluded that ALK4 inhibition increases myogenesis but also regulates the tight balance of protein synthesis and degradation. PMID: 27733450
    5. in a relatively large cohort of athletes from Europe and South America we have shown that the ACVR1B rs2854464 A allele is associated with sprint/power performance in Caucasians but not in Brazilian athletes. PMID: 27253421
    6. ALK4 is an important profibrotic signaling molecule in the post-MI CF. Haplodeficiency of ALK4 significantly improved LV function and survival rate by attenuating CF in vivo, ameliorated PMID: 28214509
    7. ALK4 is expressed in male germ cells and Sertoli cells. PMID: 26289399
    8. This study demonstrated positive regulation of monocyte/macrophage differentiation by lnc-MC and uncovered an elaborate regulation mechanism composed of PU.1, lnc-MC, miR-199a-5p, and ACVR1B. PMID: 26149389
    9. Data suggest that activin A up-regulates SNAIL expression via ALK4/ACVR1B-induced SMAD signaling in trophoblast cells; elevated SNAIL contributes to up-regulation of MMP2 expression which plays key role in promoting trophoblast cell invasion. PMID: 26305619
    10. ACVR1B functions as a positive regulator of monocyte/macrophage differentiation. ACVR1B knockdown promoted THP-1 proliferation by increasing Rb phosphorylation. Down-regulation reduced p-Smad2/3 and C/EBPalpha, inhibiting monocyte/macrophage differentiation. PMID: 25258381
    11. The deletion of the ACVR1B gene may mediate an aggressive cancer phenotype in pancreatic cancer. PMID: 24886203
    12. Findings define a regulatory role of miR-98 in tumor angiogenesis and invasion through repressed ALK4 and MMP11 expression. PMID: 23211491
    13. ActRIBCA signaling can promote cell migration in prostate cancer cells via a network of signaling molecules that work together to trigger the process of EMT, and thereby aid in the aggressiveness and progression of prostate cancers. PMID: 23159635
    14. Act A protein levels were significantly higher in NTM tissues compared to GTM tissues. PMID: 23010638
    15. Activin A-ACVRIB/ALK4-Smad-dependent collagen production was augmented in SSc fibroblasts, suggesting the involvement of this signaling mechanism in systemic sclerosis. PMID: 21377836
    16. We applied a two-stage fine mapping approach, and are the first to identify and partially replicate genetic variants in the ACVR1B gene that account for genetic variation in human muscle strength. PMID: 21063444
    17. activin A signal is transduced through the activin A type 1 receptor, ALK4, and transactivates several TGF-beta target genes in a SMAD-independent manner. PMID: 20226172
    18. data indicate that truncated Alk4 isoforms interfere with activin signaling pathways and thereby may contribute to uncontrolled cell growth PMID: 12364468
    19. Activin signaling mediated by ActRIB-Smad2 system in the ovary may thus be essential for the regulation of follicular differentiation. PMID: 12639945
    20. there is only a partial overlap of the binding sites on ALK4 and ALK3 for activin-A and bone morphogenetic protein-2, respectively PMID: 12665502
    21. ALK4 binds to activin at a specific site in order to signal via type II receptors PMID: 15123686
    22. Dpr2 binds to the TGFbeta receptors ALK5 and ALK4, and accelerates lysosomal degradation of these receptors PMID: 15459392
    23. findings indicate a new inhibitory function of FKBP12 as an adaptor molecule for the Smad7-Smurf1 complex to regulate the duration of the activin signal through activin type I receptors PMID: 16720724
    24. a regulation mode of miR-24 on erythropoiesis by impeding ALK4 expression. PMID: 17906079
    25. Study indicate that the synthetic h-CFC interacts with the ALK4 receptor with a K(D) in micro M range, that the h-CFC overall topology is determined by the presence of three disulfide bridges. PMID: 19035567

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  • 相关疾病：
    ACVRIB is abundantly expressed in systemic sclerosis patient fibroblasts and production of collagen is also induced by activin-A/INHBA. This suggests that the activin/ACRV1B signaling mechanism is involved in systemic sclerosis.
  • 亚细胞定位：
    Cell membrane; Single-pass type I membrane protein.
  • 蛋白家族：
    Protein kinase superfamily, TKL Ser/Thr protein kinase family, TGFB receptor subfamily
  • 组织特异性：
    Expressed in many tissues, most strongly in kidney, pancreas, brain, lung, and liver.
  • 数据库链接：

    HGNC: 172

    OMIM: 601300

    KEGG: hsa:91

    UniGene: Hs.438918