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149689 SDF-1-alpha, Recombinant, Rat (CXCL12, Stromal Cell-derived Factor 1, SDF-1, hSDF-1, C-X-C Motif Chemokine 12, Intercrine Reduced in Hepatomas, IRH, hIRH, Pre-B Cell Growth-stimulating Factor, PBSF, SDF1, SDF1A, SDF1B) CAS:

Specifications
Grade
Highly Purified
EU Commodity Code
30021019
Shipping Temp
Blue Ice
Storage Temp
-20°C

SDF-1 alpha and beta are stromal derived CXC chemokines, and signal through the CXCR4 receptor. SDF-1alpha and beta chemoattract B and T cells, and have been shown to induce migration of CD34+ stem cells. Additionally, the SDF-1 proteins exert HIV suppressive activity in cells expressing the CXCR4 receptor. Recombinant rat SDF-1 alpha is a 7.9kD protein containing 68aa.

Source
Recombinant protein corresponding to rat SDF-1 alpha, expressed in E.coli.
Biological Activity
Determined by its ability to chemoattract human peripheral blood monocytes using a concentration range of 50-100ng/ml.
Endotoxin
<0.1ng/ug (1EU/ug)
AA Sequence
KPVSLSYRCP CRFFESHVAR ANVKHLKILN TPNCALQIVA RLKSNNRQVC IDPKLKWIQE YLDKALNK
Storage and Stability
May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store 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.
Source
Recombinant, E. coli
Purity
~98% (SDS-PAGE and HPLC)
Form
Supplied as a lyophilized powder.
Important Note
This 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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