There are 2 Brk protein produced in house with high quality which are covering various species. Among these Brk proteins, there are 1 Human Brk protein, 1 Mouse Brk protein. All these Brk protein are expressed by different host cells. 2 Brk proteins are expressed by Baculovirus-Insect Cells . These Brk proteins are produced with different tags, such as GST Tag, His & GST Tag.