There are 2 IL-19 protein produced in house with high quality which are covering various species. Among these IL-19 proteins, there are 2 Human IL-19 protein. All these IL-19 protein are expressed by different host cells. 1 IL-19 proteins are expressed by Baculovirus-Insect Cells , 1 IL-19 proteins are expressed by HEK293 Cells . These IL-19 proteins are produced with different tags, such as His Tag.