There are 15 PD-L1 protein produced in house with high quality which are covering various species. Among these PD-L1 proteins, there are 6 Human PD-L1 protein, 4 Mouse PD-L1 protein, 2 Rat PD-L1 protein, 2 Cynomolgus PD-L1 protein, 1 Canine PD-L1 protein. All these PD-L1 protein are expressed by different host cells. 15 PD-L1 proteins are expressed by HEK293 Cells . These PD-L1 proteins are produced with different tags, such as His Tag, Fc Tag, His & Fc Tag.