There are 2 MEK1 protein produced in house with high quality which are covering various species. Among these MEK1 proteins, there are 2 Mouse MEK1 protein. All these MEK1 protein are expressed by different host cells. 2 MEK1 proteins are expressed by Baculovirus-Insect Cells . These MEK1 proteins are produced with different tags, such as His & GST Tag.