There are 9 CD4 protein produced in house with high quality which are covering various species. Among these CD4 proteins, there are 4 Human CD4 protein, 2 Mouse CD4 protein, 1 Ferret CD4 protein, 1 Rat CD4 protein, 1 Rhesus CD4 protein. All these CD4 protein are expressed by different host cells. 9 CD4 proteins are expressed by HEK293 Cells . These CD4 proteins are produced with different tags, such as His Tag, Fc Tag, His & Fc Tag.