Description: CXCL12 alpha is a ligand for the G protein coupled receptor CXCR4 and induces chemotactic migration in a wide range of CXCR4-expressing cells. CXCL12 alpha protein is expressed in E. coli, refolded and cleaved to yield the native, secreted form of the mature chemokine.
Purity:
Purity assessed by HPLC, mass spectrometry, and NMR*
Source:
Human protein expressed in E. coli
Physical Form:
Lyophilized
Solubility:
Freely soluble in water
*All recombinant proteins produced and sold by Protein Foundry, LLC are endotoxin-free <0.01 EU/ug of protein.
Product Form
Temperature
Storage Time
–20 °C to –80 °C
12 months
4 °C
6 months
Resuspended*
1 week
*Avoid repeated freeze-thaw cycles after reconstitution