There are 2 SerpinA1 protein produced in house with high quality which are covering various species. Among these SerpinA1 proteins, there are 1 Human SerpinA1 protein, 1 Rat SerpinA1 protein. All these SerpinA1 protein are expressed by different host cells. 2 SerpinA1 proteins are expressed by HEK293 Cells . These SerpinA1 proteins are produced with different tags, such as His Tag.