There are 7 SDF-1 protein produced in house with high quality which are covering various species. Among these SDF-1 proteins, there are 4 Human SDF-1 protein, 1 Mouse SDF-1 protein, 1 Canine SDF-1 protein, 1 Rhesus SDF-1 protein. All these SDF-1 protein are expressed by different host cells. 5 SDF-1 proteins are expressed by E. coli , 2 SDF-1 proteins are expressed by HEK293 Cells . These SDF-1 proteins are produced with different tags, such as His Tag, hFc Tag.