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