Recombinant Human Activin receptor type-2B(ACVR2B)

Code CSB-BP623829HU
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Source Baculovirus
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Code CSB-EP623829HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-MP623829HU
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names ACVR2B
Uniprot No. Q13705
Alternative Names Activin A receptor type IIB; Activin receptor type 2B; Activin receptor type IIB; Activin receptor type-2B; ActR IIB; ACTR-IIB; ActRIIB; ACVR 2B; ACVR2B; AVR2B_HUMAN; HTX4; MGC116908
Species Homo sapiens (Human)
Expression Region 19-137
Target Protein Sequence SG RGEAETRECI YYNANWELER TNQSGLERCE GEQDKRLHCY ASWRNSSGTI ELVKKGCWLD DFNCYDRQEC VATEENPQVY FCCCEGNFCN ERFTHLPEAG GPEVTYEPPP TAPTLLT
Protein Length Extracellular domain
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
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.
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/-80°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.

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Target Background

Function
Transmembrane serine/threonine kinase activin type-2 receptor forming an activin receptor complex with activin type-1 serine/threonine kinase receptors (ACVR1, ACVR1B or ACVR1c). Transduces the activin signal from the cell surface to the cytoplasm and is thus regulating 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, the type-2 receptors act as a primary activin receptors (binds activin-A/INHBA, activin-B/INHBB as well as inhibin-A/INHA-INHBA). 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. 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.
Gene References into Functions
  1. the A allele of genetic variant rs2276541 in ACVR2B is associated with lean muscle mass PMID: 26848890
  2. ActR-IIB is expressed in male germ cells and Sertoli cells. PMID: 26289399
  3. We found that the AAAAA, AGGAG, and AGGGA haplotypes in ACVR2B were associated with susceptibility to Premature Ovarian Failure when they also had at least one CATAG haplotype in ADAMTS19. PMID: 25051287
  4. miR-21 interacts directly with the 3'-untranslated region of ACVR2B mRNA. Mechanical stretch suppressed ACVR2B protein levels in periodontal ligament stem cells. Gain- and loss of function of ACVR2B mediated the osteogenic differentiation of PDLSCs. PMID: 25203845
  5. Activin type IIB receptors are clearly demonstrable throughout the adult human hypothalamus and basal forebrain. PMID: 22296042
  6. After eccentric exercise, postmenopausal women not using hormone therapy (HT) expressed lower levels of ActRIIb while postmenopausal women using HT showed a heightened response. PMID: 22395277
  7. The interaction between all five miRNAs and ACVR2B was verified by an in vitro assay. PMID: 22431721
  8. Mutations in Activin A Receptor Type IIB were identified in 4 of the 47 patients (8.5%) with heterotaxy syndrome. Our results expand the mutation spectrum of monogenic heterotaxy syndrome with associated cardiac anomalies. PMID: 21864452
  9. discussion of crystal structure of kinase domain of ActRIIB; structural analysis may be of help in developing selective inhibitors [REVIEW] PMID: 21353874
  10. Inhibition of negative regulators of skeletal muscle by a soluble form of activin type IIB receptor (ACE-031) increases muscle mass independent of fiber-type expression. PMID: 20466801
  11. analysis of expression and cellular compartmentalization of the activin receptors ActRIIA, ActRIIB and ActRIB, the inhibin co-receptor (betaglycan), and activin signaling proteins Smads 2, 3 and 4, and growth regulatory role during lactation PMID: 12782414
  12. activin signaling via type II receptors requires a specific sequence for ALK4 binding PMID: 15123686
  13. These results indicate that haplotype structure at the ACVR2B and follistatin loci may contribute to interindividual variation in skeletal muscle mass and strength, although these data indicate sex-specific relationships. PMID: 17347381
  14. The high-resolution structure of human ActRIIB kinase domain in complex with adenine establishes the conserved bilobal architecture consistent with all other catalytic kinase domains. PMID: 17893364

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Involvement in disease Heterotaxy, visceral, 4, autosomal (HTX4)
Subcellular Location Cell membrane; Single-pass type I membrane protein.
Protein Families Protein kinase superfamily, TKL Ser/Thr protein kinase family, TGFB receptor subfamily
Database Links

HGNC: 174

OMIM: 602730

KEGG: hsa:93

STRING: 9606.ENSP00000340361

UniGene: Hs.174273

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