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