There are 18 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, 5 Mouse PD-L1 protein, 2 Rat PD-L1 protein, 3 Cynomolgus, Rhesus PD-L1 protein, 2 Canine PD-L1 protein. All these PD-L1 protein are expressed by different host cells. 18 PD-L1 proteins are expressed by HEK293 Cells . These PD-L1 proteins are produced with different tags, such as His Tag, hFc Tag, His & hFc Tag, mFc Tag, hFc & AVI Tag.