There are 12 GM-CSF protein produced in house with high quality which are covering various species. Among these GM-CSF proteins, there are 7 Human GM-CSF protein, 3 Mouse GM-CSF protein, 2 Rat GM-CSF protein. All these GM-CSF protein are expressed by different host cells. 11 GM-CSF proteins are expressed by HEK293 Cells , 1 GM-CSF proteins are expressed by Yeast . These GM-CSF proteins are produced with different tags, such as His Tag, hFc Tag.