Activin RIA/ALK-2, Recombinant Protein

ACVR1; ACTRI; ACVR1A; ACVRLK2; ALK2; FOP; SKR1; TSRI; Activin receptor type I; Activin receptor-like kinase 2; ACTR-I; ALK-2; TSR-I; Serine/threonine-protein kinase receptor R1; TGF-B superfamily receptor type I

For Research Use Only. Not for use in diagnostic procedures.

Baculovirus

>90% by SDS-PAGE

Liquid; In Phosphate Buffered Saline (pH 7.4) containing 10% glycerol.

0.25mg/ml (Determined by Absorbance at 280nm) (lot specific)

Can be stored at 2 degree C to 8 degree C for 1 week. For long term storage, aliquot and store at -20 degree C to -80 degree C. Avoid repeated freezing and thawing cycles.

Small volumes of ACVR1 recombinant protein vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Activin RIA, also known as Activin receptor type-1, is a member of TGF-beta serine/threonine kinase receptor family. It forms 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. This protein is involved for left-right pattern formation during embryogenesis. Also, it is important in the bone morphogenic protein (BMP) pathway which is responsible for the development and repair of the skeletal system. It has been connected to Fibrodysplasia Ossificans Progressiva, a disease characterized by the formation of heterotopic bone throughout the body. Recombinant Human Activin RIA, fused to hIgG-His-tag at C-terminus, was expressed in insect cell and purified by using conventional chromatography techniques.

Cytoskeleton; Signal Transduction

SDS-PAGE

3ug by SDS-PAGE under reducing condition and visualized by coomassie blue stain

38.4kDa (342aa)[Similar Products]

activin A receptor type 1

activin receptor type-1

Activin receptor type-1

ACVRLK2; ACTR-I; ALK-2; SKR1; TSR-I  [Similar Products]

ACVR1_HUMAN

Activins are dimeric growth and differentiation factors which belong to the transforming growth factor-beta (TGF-beta) superfamily of structurally related signaling proteins. Activins signal through a heteromeric complex of receptor serine kinases which include at least two type I ( I and IB) and two type II (II and IIB) receptors. These receptors are all transmembrane proteins, composed of a ligand-binding extracellular domain with cysteine-rich region, a transmembrane domain, and a cytoplasmic domain with predicted serine/threonine specificity. Type I receptors are essential for signaling; and type II receptors are required for binding ligands and for expression of type I receptors. Type I and II receptors form a stable complex after ligand binding, resulting in phosphorylation of type I receptors by type II receptors. This gene encodes activin A type I receptor which signals a particular transcriptional response in concert with activin type II receptors. Mutations in this gene are associated with fibrodysplasia ossificans progressive. [provided by RefSeq, Jul 2008]

ALK2: On ligand binding, forms 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. Receptor for activin. May be involved for left-right pattern formation during embryogenesis. Interacts with FKBP1A. Interacts with FCHO1. Expressed in normal parenchymal cells, endothelial cells, fibroblasts and tumor-derived epithelial cells. Belongs to the protein kinase superfamily. TKL Ser/Thr protein kinase family. TGFB receptor subfamily.

Protein type: Membrane protein, integral; Kinase, protein; EC 2.7.11.30; Protein kinase, Ser/Thr (receptor); Protein kinase, TKL; TKL group; STKR family; Type1 subfamily

Chromosomal Location of Human Ortholog: 2q23-q24

Cellular Component: apical part of cell; integral to plasma membrane; activin receptor complex

Molecular Function: protein homodimerization activity; metal ion binding; peptide hormone binding; transmembrane receptor protein serine/threonine kinase activity; protein kinase activity; protein serine/threonine kinase activity; protein binding; activin receptor activity, type I; transforming growth factor beta receptor activity, type I; transforming growth factor beta binding; activin binding; SMAD binding; ATP binding; receptor signaling protein serine/threonine kinase activity

Biological Process: pharyngeal system development; in utero embryonic development; positive regulation of transcription, DNA-dependent; peptidyl-threonine phosphorylation; activin receptor signaling pathway; gastrulation with mouth forming second; positive regulation of bone mineralization; protein amino acid phosphorylation; germ cell development; negative regulation of signal transduction; BMP signaling pathway; patterning of blood vessels; positive regulation of osteoblast differentiation; negative regulation of activin receptor signaling pathway; mesoderm formation; transforming growth factor beta receptor signaling pathway; positive regulation of transcription from RNA polymerase II promoter; smooth muscle cell differentiation; regulation of skeletal muscle development; determination of left/right symmetry; regulation of ossification; neural crest cell migration; acute inflammatory response; urogenital system development; G1/S transition of mitotic cell cycle

Disease: Fibrodysplasia Ossificans Progressiva

Sorkin M., et al. (2017) Wound Repair Regen. 25:521-525. Schoenmaker T., et al. (2019) J Cell Physiol. 234:10238-10247.

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