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You are here:Home » Molecular Biology » Growth Factors-SDF » Stromal Cell Derived Factor 1 alpha, Recombinant, Human (SDF1a)

Stromal Cell Derived Factor 1 alpha, Recombinant, Human (SDF1a)

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Specifications

Recombinant Human SDF-1 is a non-glycosylated polypeptide chain containing 68aa and having a molecular weight of ~8kD. The sequence of the first five N-terminal amino acids was determined to be Lys-Pro-Val-Ser-Leu.
Catalog #S7975-50A
Molecular Weight~8kD
Biological ActivityThe specific activity is determined by its ability to chemoattract human peripheral T cells activated with PHA and IL-2 using a concentration of 20-80ng/ml.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. For long term storage add 0.1% HSA or BSA. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight~8kD
SourceE. coli
Purity98% pure (RP-HPLC and SDS-PAGE).
FormSupplied as a lyophilized powder from water containing no additives. Reconstitute using sterile deionized water to a concentration 100ug/ml.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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