There are 2 IL28A protein produced in house with high quality which are covering various species. Among these IL28A proteins, there are 1 Human IL28A protein, 1 Mouse IL28A protein. All these IL28A protein are expressed by different host cells. 1 IL28A proteins are expressed by Yeast , 1 IL28A proteins are expressed by HEK293 Cells . These IL28A proteins are produced with different tags, such as His Tag.