There are 4 BST2 protein produced in house with high quality which are covering various species. Among these BST2 proteins, there are 2 Human BST2 protein, 2 Mouse BST2 protein. All these BST2 protein are expressed by different host cells. 4 BST2 proteins are expressed by HEK293 Cells . These BST2 proteins are produced with different tags, such as His Tag, hFc Tag.