There are 11 ACE2 protein produced in house with high quality which are covering various species. Among these ACE2 proteins, there are 6 Human ACE2 protein, 2 Mouse ACE2 protein, 1 Rat ACE2 protein, 2 Rhesus ACE2 protein. All these ACE2 protein are expressed by different host cells. 2 ACE2 proteins are expressed by Baculovirus-Insect Cells , 9 ACE2 proteins are expressed by HEK293 Cells . These ACE2 proteins are produced with different tags, such as His Tag, His & AVI Tag, hFc Tag, His & hFc Tag, mFc Tag.