There are 3 IL1RA protein produced in house with high quality which are covering various species. Among these IL1RA proteins, there are 2 Human IL1RA protein, 1 Rat IL1RA protein. All these IL1RA protein are expressed by different host cells. 1 IL1RA proteins are expressed by E. coli , 2 IL1RA proteins are expressed by HEK293 Cells . These IL1RA proteins are produced with different tags, such as Fc Tag.