Activin isoforms and other members of the TGF-beta superfamily exert their biological effects by binding to heteromeric complexes of a type I and a type II serine-threonine kinase receptor, both of which are essential for signal transduction. Seven type I and five type II receptors, including the two type I and the two type II activin receptors, designated ActR-I(A), ActR-IB, ActR-II(A) and ActR-IIB, have been cloned from mammals. Through alternative mRNA splicing, multiple ActR-IIB isoforms can also be generated, adding to the complexity of the activin receptor system. Different activin isoforms bind with different high-affinities to the various type II isoforms. Type I activin receptors do not bind directly to activin, but will associate with the type II receptor-activin complex and initiate signal transduction. Besides the activin isoforms, ActR-II will also bind inhibin, BMP-2 and BMP-7 with lower affinities. ActR-I can also bind and form signaling complexes with the BMP-2/7-bound BMPR-II. Activin type II receptors are highly conserved. Human, mouse and rat type II activin receptors share greater than 98% amino acid sequence homology.
Human Activin RIIB Biotinylated Antibody
R&D Systems | Catalog # BAF339
Key Product Details
Species Reactivity
Validated:
Human
Cited:
Human
Applications
Validated:
Western Blot
Cited:
Western Blot, Flow Cytometry
Label
Biotin
Antibody Source
Polyclonal Goat IgG
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Product Specifications
Immunogen
Mouse myeloma cell line NS0-derived recombinant human Activin RIIB
Ser19-Thr134
Accession # CAA54671
Ser19-Thr134
Accession # CAA54671
Specificity
Detects human Activin RIIB in Western blots. In this format, less than 1% cross-reactivity with recombinant human (rh) Activin RIA, rhActivin RIB, and rhActivin RIIA is observed.
Clonality
Polyclonal
Host
Goat
Isotype
IgG
Applications for Human Activin RIIB Biotinylated Antibody
Application
Recommended Usage
Western Blot
0.1 µg/mL
Sample: Recombinant Human Activin RIIB Fc Chimera (Catalog # 339-RB)
Sample: Recombinant Human Activin RIIB Fc Chimera (Catalog # 339-RB)
Reviewed Applications
Read 1 review rated 5 using BAF339 in the following applications:
Formulation, Preparation, and Storage
Purification
Antigen Affinity-purified
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: Activin RIIB
References
- Attisano, L. et al. (1996) Mol. and Cell Biol. 16:1066.
- Woodruff, T.K. (1998) Biochem. Pharmacology 55:953.
Long Name
Activin Receptor IIB
Alternate Names
ActivinRIIB, ACVR2B
Gene Symbol
ACVR2B
UniProt
Additional Activin RIIB Products
Product Documents for Human Activin RIIB Biotinylated Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Activin RIIB Biotinylated Antibody
For research use only
Related Research Areas
Citations for Human Activin RIIB Biotinylated Antibody
Customer Reviews for Human Activin RIIB Biotinylated Antibody (1)
5 out of 5
1 Customer Rating
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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