EGF proteins act as potent stimulators of growth in a variety of epidermal and epithelial tissues in both in vivo and in vitro settings, while promoting the proliferation of specific fibroblasts in cell culture. This multifaceted protein also acts as a magnesium stimulating hormone, driving magnesium reabsorption in the renal distal tubule through engagement of EGFR and activation of the magnesium channel TRPM6. GMP EGF Protein, Human is the recombinant human-derived EGF protein, expressed by E. coli , with tag free. The total length of GMP EGF Protein, Human is 53 a.a., with molecular weight of ~9.6 kDa.