Noggin Protein is a glycosylated cysteine knot chemokine protein. Noggin is a potent bone morphogenetic protein (BMP) antagonist. Noggin Protein antagonizes BMP4-induced hypertension, inhibits angiogenesis, regulates mesenchymal stem cell differentiation, and maintains embryonic stem cell pluripotency. Noggin Protein, Human (HEK293) is a recombinant Noggin protein produced by HEK293 cells.