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 a 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. The gene for ACVR1B (activin A type IB receptor) is composed of 11 exons. Alternative splicing and alternative polyadenylation result in 3 fully described transcript variants. The mRNA expression of variants 1, 2, and 3 is confirmed, and a potential fourth variant contains an alternative exon 8 and lacks exons 9 through 11, but its mRNA expression has not been confirmed.
Target
Activin A Receptor Type IB
Clonality
Polyclonal
Reactivity
Human, Mouse, Rat
Tested Applications
ELISA, WB, FCM
Host
Rabbit
Recommended dilutions
WB: 1/1000, FCM: 1/25. Optimal dilutions/concentrations should be determined by the end user.
Conjugation
Unconjugated
Immunogen
KLH-conjugated synthetic peptide between 39-68 amino acids from the N-terminal region of human Activin A Receptor Type IB (ACVR1B).
Isotype
IgG
Form
Liquid
Purification
Purified Rabbit Polyclonal Antibody.
Storage
Aliquot and store at 2-8°C for up to 2 weeks, or at -20°C for long term storage. Avoid repeated freeze/thaw cycles.
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