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There are three type I Activin receptors: ACVR1, ACVR1B, and ACVR1C. Each bind to a specific type II receptor-ligand complex. Despite the large amount of processes that these ligands regulate, they all operate through essentially the same pathway: A ligand binds to a Type two receptor, which recruits and trans-phosphorylate a type I
An Activin receptor is a receptor which binds activin. These proteins are receptor-type kinases of Ser/Thr type, which have a single transmembrane domain and a specific hydrophilic Cys-rich ligand-binding domain. [1] [2] [3] Types include: Activin type 1 receptors; Activin type 2 receptors
The activin type 2 receptors belong to a larger TGF-beta receptor family and modulate signals for transforming growth factor beta ligands. These receptors are involved in a host of physiological processes including, growth , cell differentiation , homeostasis , osteogenesis , apoptosis and many other functions.
Activin β A and β B are identical to the two beta subunits of inhibin. A fifth subunit, activin β D, has been described in Xenopus laevis. Two activin β A subunits give rise to activin A, one β A, and one β B subunit gives rise to activin AB, and so on. Various, but not all theoretically possible, heterodimers have been described.
Type I and II receptors form a stable complex after ligand binding, resulting in phosphorylation of type I receptors by type II receptors. Type II receptors are considered to be constitutively active kinases. This gene encodes activin A type IIB receptor, which displays a 3- to 4-fold higher affinity for the ligand than activin A type II ...
The activin A receptor also known as ACVR1C or ALK-7 is a protein that in humans is encoded by the ACVR1C gene. [5] ACVR1C is a type I receptor for the TGFB family of signaling molecules. [5] ACVR1C transduces signals of Nodal. Nodal binds to ACVR2B and then forms a complex with ACVR1C. These go on to recruit the R-SMADs SMAD2 or SMAD3. [6]
Activin A receptor, type I (ACVR1) is a protein which in humans is encoded by the ACVR1 gene; it is also known as ALK-2 (activin receptor-like kinase-2). [5] ACVR1 has been linked to the 2q23-24 region of the genome. [ 6 ]
11480 Ensembl ENSG00000121989 ENSMUSG00000052155 UniProt P27037 P27038 RefSeq (mRNA) NM_001278579 NM_001278580 NM_001616 NM_007396 RefSeq (protein) NP_001265508 NP_001265509 NP_001607 NP_031422 Location (UCSC) Chr 2: 147.84 – 147.93 Mb Chr 2: 48.7 – 48.79 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Activin receptor type-2A is a protein that in humans is encoded by the ACVR2A ...