There are 3 I-309 protein produced in house with high quality which are covering various species. Among these I-309 proteins, there are 2 Human I-309 protein, 1 Mouse I-309 protein. All these I-309 protein are expressed by different host cells. 1 I-309 proteins are expressed by E. coli , 2 I-309 proteins are expressed by HEK293 Cells . These I-309 proteins are produced with different tags, such as Fc Tag.