Rat Activin A Receptor Type 1B (ACVR1B) Protein (Active)
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Description
Rat ACVR1B Protein is a recombinant protein from Rat produced in HEK293 Cells. A DNA sequence encoding the rat ACVR1B (Met1-Glu126) was expressed with the Fc region of human IgG1 at the C-terminus.
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Product specifications
| Category | Proteins and Peptides |
| Immunogen Target | ACVR1B |
| Host | HEK293 cells |
| Origin | Rat |
| Observed MW | Molecular Weight: 38.4 kDa Sequence Fragment: Met1-Glu126 Tag: C-terminal Fc tag Validity: The validity for this protein is 12 months. |
| Expression | Recombinant |
| Purity | > 95% (SDS-PAGE) |
| Size 1 | 100 µg |
| Tested Applications | SDS-PAGE |
| Buffer | Lyophilized from sterile PBS, pH 7.4. |
| Availability | Shipped within 5-15 working days. |
| Storage | Aliquot and store at -20°C or -80°C. Avoid repeated freeze/thaw cycles. |
| Dry Ice | No |
| NCBI Accession | NP_954700.1 |
| Alias | ACTR-IB,ALK-4,Serine/threonine-protein kinase receptor R2 (SKR2) |
| Background | Protein ACVR1B |
| Status | RUO |
| Note | This product is for research use only. Not for human consumption, cosmetic, therapeutic or diagnostic use. |
Descripción
ACVR1B, also known as ALK4, is a type I receptor primarily activated by activins, inhibins, and Nodal ligands. This receptor phosphorylates SMAD2/3 to propagate downstream signaling, which regulates cellular processes such as differentiation, proliferation, and embryonic patterning. ACVR1B is expressed in many tissues, particularly during early development. Mutations in ACVR1B have been associated with tumorigenesis and reproductive disorders due to its role in cell cycle regulation and tissue homeostasis.
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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.
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