There are 4 Ephrin A4 protein produced in house with high quality which are covering various species. Among these Ephrin A4 proteins, there are 2 Human Ephrin A4 protein, 2 Mouse Ephrin A4 protein. All these Ephrin A4 protein are expressed by different host cells. 4 Ephrin A4 proteins are expressed by HEK293 Cells . These Ephrin A4 proteins are produced with different tags, such as His Tag, hFc Tag.