ACVR1B (Human) Recombinant Protein
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SDS-PAGE analysis of ACVR1B (Human) Recombinant Protein.
Result of activity analysis
Result of activity analysis
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Specification
Product Description
Human ACVR1B recombinant protein with polyhistidine tag at the C-terminus expressed in Escherichia coli.
Sequence
MGLECDGRTNLCCRQQFFIDFRLIGWNDWIIAPTGYYGNYCEGSCPAYLAGVPGSASSFHTAVVNQYRMRGLNPGTVNSCCIPTKLSTMSMLYFDDEYNIVKRDVPNMIVEECGCA with polyhistidine tag at the C-terminus.
Host
Escherichia coli
Form
Lyophilized
Preparation Method
Escherichia coli expression system
Purification
Ni-NTA chromatography
Purity
> 98% as determined by SDS-PAGE.
Endotoxin Level
< 0.1 EU/ ug of protein by the LAL method.
Activity
ED50 < 0.7 ng/mL, Measured by the induction of induce hemoglobin expression in K562 cells. The specific activity of recombinant human Activin B is > 1.5 x 106 IU/mg.
Quality Control Testing
SDS-PAGE Stained with Coomassie Blue.
SDS-PAGE analysis of ACVR1B (Human) Recombinant Protein.
Recommend Usage
Biological Activity
SDS-PAGE
The optimal working dilution should be determined by the end user.Storage Buffer
Lyophilized from a solution containing 1X PBS, pH 8.0. Reconstitute the lyophilized powder in ddH2O to 100 ug/mL.
Storage Instruction
Lyophilized protein should be stored at -20°C. Protein aliquots should be stored at-20°C to -80°C.
Note
Result of activity analysis
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Applications
Functional Study
SDS-PAGE
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Gene Info — ACVR1B
Entrez GeneID
91Gene Name
ACVR1B
Gene Alias
ACTRIB, ACVRLK4, ALK4, SKR2
Gene Description
activin A receptor, type IB
Omim ID
601300Gene Ontology
HyperlinkGene Summary
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. This gene encodes activin A type IB receptor, 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. [provided by RefSeq
Other Designations
activin A receptor, type II-like kinase 4|activin A type IB receptor|activin receptor-like kinase 4|serine(threonine) protein kinase receptor R2
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