ACVR1B on ligand binding, creates a receptor complex consisting of two type II and two type I transmembrane serine/threonine kinases. Type II receptors phosphorylate and activate type I receptors which autophosphorylate, then bind and activate SMAD transcriptional regulators. ACVR1B Phosphorylates TTRAP.
ACVR1B Human Recombinant produced in HEK-293 cells is a single, glycosylated, polypeptide chain having a molecular weight of 38.2 kDa though on SDS-PAGE migrates at about 46 kDa due to the glycosilation. The ACVR1B sequence (24-126 a.a) corresponds to the extracellular region of mature Human protein, fused to the Fc region of Human IgG1. The ACVR1B is purified by proprietary chromatographic techniques.
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