Image 1 of 1 IL-4, Human, E.coli US$120.25 SIZE10μg (10 Microgram) Quantity: Add To Cart Added! SIZE10μg (10 Microgram) You Might Also Like Human Cytochrome P450 2D6 (LKM-1) US$473.79 GM-CSF, Mouse, E.coli US$186.39 Human Galectin-3 protein US$473.79 Human Threonyl-tRNA Synthetase (PL7) US$473.79 EPO, Human, CHK US$114.24