2. Recombinant Proteins
  3. Cytokines and Growth Factors Animal-free Recombinant Proteins
  4. TGF-beta Superfamily
  5. Activin/Inhibins
  6. Activin A
  7. Animal-Free Activin A Protein, Human/Mouse/Rat

Animal-Free Activin A Protein, Human/Mouse/Rat

Cat. No.: HY-P70311AF
COA Handling Instructions

Animal-free recombinant proteins offer high consistency and stability, whithout using or contacting of any animal-derived materials and reagents.

For research use only. We do not sell to patients.

Surface Plasmon Resonance (SPR) Assay Service   Protein Expression Service

Size Price Stock Quantity
Free Sample   Apply now
2 μg $85 In-stock
10 μg $220 In-stock
50 μg $580 In-stock
100 μg   Get quote  
or Bulk Inquiry

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Top Publications Citing Use of Products

  • Biological Activity

  • Technical Parameters

  • Properties

  • Documentation

Biological Activity

Measure by its ability to induce hemoglobin expression in K562 cells. The ED50 for this effect is ≤ 0.85 ng/mL. The specific activity of recombinant human Activin A is approximately >1.4 x 103 IU/mg.

Species

Rat; Mouse; Human
Source

E. coli
Tag

Tag Free
Accession

P08476 (G311-S426)
Gene ID

3624
Molecular Construction
N-term
Activin A (G311-S426)
Accession # P08476
C-term
Synonyms
Activin beta-A chain; EDF; Erythroid differentiation factor; Erythroid differentiation protein; Follicle stimulating hormone releasing protein; FRP; FSH releasing protein; INHBA; INHBA_HUMAN; Inhibin beta A chain; Inhibin beta A subunit; Inhibin, beta 1; Inhibin, beta A activin A, activin AB alpha polypeptide;
AA Sequence

MGLECDGKVNICCKKQFFVSFKDIGWNDWIIAPSGYHANYCEGECPSHIAGTSGSSLSFHSTVINHYRMRGHSPFANLKSCCVPTKLRPMSMLYYDDGQNIIKKDIQNMIVEECGCS

Molecular Weight

Approximately 13.9 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Appearance

Lyophilized powder.

Formulation

Lyophilized from a solution of 0.1M Glycine, 150mM NaCl, pH 4.0.
Endotoxin Level

<0.1 EU per 1 μg of the protein by the LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation

COA (219 KB)

Handling Instructions (2659 KB)

Animal-Free Activin A Protein, Human/Mouse/Rat Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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