There are 6 CD73 protein produced in house with high quality which are covering various species. Among these CD73 proteins, there are 3 Human CD73 protein, 1 Mouse CD73 protein, 1 Rat CD73 protein, 1 Cynomolgus CD73 protein. All these CD73 protein are expressed by different host cells. 6 CD73 proteins are expressed by HEK293 Cells . These CD73 proteins are produced with different tags, such as His Tag.