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