There are 3 GDNF protein produced in house with high quality which are covering various species. Among these GDNF proteins, there are 1 Rat GDNF protein, 1 Human GDNF protein, 1 Canine GDNF protein. All these GDNF protein are expressed by different host cells. 1 GDNF proteins are expressed by Baculovirus-Insect Cells , 2 GDNF proteins are expressed by HEK293 Cells . These GDNF proteins are produced with different tags, such as His Tag, hFc Tag.