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Activin RIB

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Cat. No. Species Product Description Structure Purity Feature
ACB-H52H4 Human Human Activin RIB / ACVR1B Protein, His Tag

Activin RIB Part of Bioactivity data


Loaded Human TDGF1, Fc Tag (Cat. No. CRO-H5253) on Protein A Biosensor, can bind Human Activin RIB, His Tag (Cat. No. ACB-H52H4) with an affinity constant of 5.6 μM as determined in BLI assay (ForteBio Octet Red96e) (QC Tested).

Activin RIB Molecule Synonym Name


Activin RIB Molecule Background

Activin receptor type-1B (ACVR1B) is also known as Activin receptor-like kinase 4 (ALK-4), Serine/threonine-protein kinase receptor R2 (SKR2), which belongs to the protein kinase superfamily, TKL Ser/Thr protein kinase family and TGFB receptor subfamily. ACVR1B contains one GS domain and one protein kinase domain. The catalytic activity of ACVR1B is “ATP + [receptor-protein] = ADP + [receptor-protein] phosphate”. ACVR1B acts as a transducer of activin or activin like ligands (e.g., inhibin) signals. Activin binds to either ACVR2A or ACVR2B and then forms a complex with ACVR1B. These go on to recruit the R-SMADs SMAD2 or SMAD3. ACVR1B also transduces signals of nodal, GDF-1, and Vg1.

Activin RIB References

Activin RIB Related Molecule

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