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Follistatin Human Recombinant


Item#:
rAP-0429
Size Price Quantity
5.0 ug $70.00
20.0 ug $182.00
1000.0 ug $6,552.00
Product Name Follistatin Human Recombinant
Synonyms FST, FS, Activin-binding protein.
Description Follistatin Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 288 amino acids and having a total molecular mass of 31.5kDa.The FST is purified by proprietary chromatographic techniques.
Uniprot Accesion Number P19883
Amino Acid SequenceThe sequence of the first five N-terminal amino acids was determined and was found to be Gly-Asn-Cys-Trp-Leu.
Source Escherichia Coli.
Physical Appearance and Stability Lyophilized Follistatin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution FST should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Formulation and Purity Lyophilized from a concentrated (1mg/ml) solution containing no additives. Greater than 95.0% as determined by
Application
Solubility It is recommended to reconstitute the lyophilized Follistatin in sterile 18MO-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Biological Activity The activity is determined by the ability to neutralize Activin A inhibitory effect of mouse MPC-11 cells. The expected ED50 is 100-400ng/ml, corresponding to a Specific Activity of 2,500-10,000units/mg in the presence of 7.5ng/ml Activin A.
Shipping Format and Condition Lyophilized powder at room temperature.
Usage Statement Our products are furnished for LABORATORY RESEARCH USE ONLY.They may not be used as drugs,agricultural or pesticidal products, food additives or household chemicals.

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