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Species of Origin
Human
Expression System
CHO
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Affinity Tag
His Tag (C-term)
Storage Buffer
Lyophilized from a 0.2 µm filtered solution of PBS, pH 7.4.
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Purity
>95% as determined by SDS-PAGE analysis.
Molecular weight
The protein has a calculated MW of 45.9 kDa.
The protein migrates as 40-45 kDa and 10-15 kDa under reducing condition (SDS-PAGE analysis). -
Activity
Measure by its ability to inhibit the proliferation of mouse MPC-11 cells. The ED₅₀ for this effect is <50 ng/mL.
Endotoxin Level
<0.1 EU per 1 μg of the protein by the LAL method.
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Mycoplasma
Not detected
Form
Lyophilized

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Specifications
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Background
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Background
Human Activin A is a member of the TGF-β superfamily involved in cell growth, differentiation, and immune regulation. It plays key roles in reproductive biology and is also linked to inflammation, fibrosis, and cancer. As a recombinant protein, Activin A is widely used in stem cell research and disease modeling.
Synonyms
Activin beta-A, INHBA, Activin A
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Uniprot ID
P08476
Sequence Note
Ser21-Ser426
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Instruction
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Reconstitution
It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at -20°C or lower for long term storage.
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Stability & Storage
This product is stable after storage at:
- -20°C for 12 months in lyophilized state from date of receipt.
- -20°C or -80°C for 1 month under sterile conditions after reconstitution.
Avoid repeated freeze/thaw cycles.
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Image
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Review
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Publication
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Datasheet & Documents
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Disclaimer:For Research Use or Further Manufacturing Only.