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Home / Proteins & Peptide

SDF-1beta/CXCL12, Human

SKU : BHP18500121

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Mfr.No.	IX02897, IX02897-1, IX02897-10
Description	Stromal-Cell Derived Factor-1 beta (SDF-1beta), also known as SCYB12, PBSF and CXCL12, is an 8.3 kDa, heparin-binding member of the CXC (or alpha) family of chemokines and signal through the CXCR4 receptor. SDF-1alpha and beta are reported to be monomers at neutral pH and physiologic ionic strength, On the cell surface, this may well facilitate SDF-1 interaction with its two receptors, CXCR4 and syndecan4. Heparin sulfate is known to protect SDF-1 from proteolysis, and CXCR4 exists constitutively as a dimer. Among its many functions, CXCL12 is known to influence lymphopoiesis, regulate patterning and cell number of neural progenitors, and promote angiogenesis (12, 13). It also enhances the survival of myeloid progenitor cells
Reconstitution	We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at <= -20 °C. Further dilutions should be made in appropriate buffered solutions.
Formulation	Lyophilized from a 0.2 um filtered concentrated solution in PBS, pH 7.4.
Molecular Weight	Approximately 8.5 kDa, a single non-glycosylated polypeptide chain containing 72 amino acid residues.
Physical Appearance	Sterile Filtered White lyophilized (freeze-dried) powder.
Source	E. coli
Host	Human
Endotoxin Level	Less than 1 EU/ug of rHuSDF-1beta/CXCL12beta as determined by LAL method.
Bioactivity	Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using PHA and rHuIL-2 activated human peripheral blood T-lymphocytes is in a concentration range of 20-80 ng/ml.

Synonyms	Human Stromal-Cell Derived Factor-1 beta; Human SDF-1?
Sequence	KPVSLSYRCP CRFFESHVAR ANVKHLKILN TPNCALQIVARLKNNNRQVC IDPKLKWIQE?YLEKALNKRF KM

Purity	95 % by SDS-PAGE and HPLC analyses.
Storage	This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.

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Combination SKU	Supplier No.	Size	Your price	Quantity
BHP18500121-1	IX02897-1	1mg	$2621		Add to Cart
BHP18500121-2	IX02897-10	10ug	$199		Add to Cart

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