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Activin A: Activin RIIA[Biotinylated] Inhibitor Screening Assay Kit

Selected Variant

82790

Size: 96 Reactions

The Activin A: Activin RIIA [Biotinylated] Inhibitor Screening Assay Kit is a chemiluminescence-based ELISA designed to measure the binding between human Activin A and Activin RIIA (receptor IIA), also known as ACVR2A, for screening and profiling applications. This kit comes with enough purified Activin A (amino acids 311-426) and biotinylated Activin Receptor IIA, streptavidin-HRP, assay buffer, and detection reagent for 100 enzyme reactions.Figure 1. Activin A: Activin RIIA[Biotinylated] Inhibitor Screening Assay Kit schematic.A 96-well plate is coated with Activin A. After blocking, biotinylated Activin RIIA (ACVR2A) is added in an optimized assay buffer. Next, unbound biotinylated Activin RIIA is washed away, and the plate is incubated with streptavidin-HRP. After a final wash, ELISA ECL substrate is added to produce chemiluminescence that can be measured using a chemiluminescence reader. The chemiluminescence signal is proportional to the binding of Activin RIIA to Activin A.Need us to run inhibitor screens or profile your compounds against Activin A binding to Activin RIIA? Check out ourImmunotherapy Biochemical Screening Services.

Product Specifications

Background

Activin A is a member of the TGFβ (transforming growth factor beta) family of proteins involved in embryonic development, hematopoiesis, cell proliferation, and cell differentiation. It is the ligand to the activin A receptor type I or type II, which are transmembrane receptors with serine/threonine kinase activity. Upon binding of activin, the kinase activity of the receptor is activated, SMAD2 (mothers against decapentaplegic homolog 2) and SMAD3 are phosphorylated, form a complex with SMAD4 and translocate to the nucleus, regulating gene expression. Activin A can be found in macrophages, dendritic cells, and neutrophils, playing a role in cell maturation and activation. It is involved in inflammation and autoimmune disorders, such as SLE (systemic lupus erythematosus), RA (rheumatoid arthritis), and atopic dermatitis. It is also involved in bone formation. The use of fusion protein blockers of the activin signaling pathways, which serve as sinks for activin A and other TGFβ members, is being explored for the treatment of pulmonary hypertension, chemotherapy-induced anemia, and osteoporosis.

Applications

Study and screen compounds that inhibit the binding of Activin A to Activin RIIA for drug discovery in high throughput screening (HTS) applications.

Format

Catalog #NameAmountStorage102016Activin A (Active), His-Tag*5 µg-80°CActivin RIIA1 µg-80°C826205x PP-02 Buffer4 ml-20°C79743Blocking Buffer 350 ml+4°C79742Streptavidin HRP10 µl+4°C79670ELISA ECL Substrate A (translucent bottle) 6 mlRoom TempELISA ECL Substrate B (brown bottle) 6 mlRoom Temp79699White 96-well module plate1Room Temp*The concentration of the protein is lot-specific and will be indicated on the tube.

Shipping Conditions

-80°C

Storage Conditions

Store at -80°C. This assay kit will perform optimally for up to6 monthsfrom date of receipt when the materials are stored as directed.

Notes

Troubleshooting GuideVisitbpsbioscience.com/assay-kits-faqfor detailed troubleshooting instructions. For all further questions, please email[email protected].

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