There are 6 REG4 protein produced in house with high quality which are covering various species. Among these REG4 proteins, there are 3 Human REG4 protein, 1 Mouse REG4 protein, 2 Rat REG4 protein. All these REG4 protein are expressed by different host cells. 5 REG4 proteins are expressed by HEK293 Cells , 1 REG4 proteins are expressed by CHO Stable Cells . These REG4 proteins are produced with different tags, such as His Tag, hFc Tag.