Tags: Protein.
Mothers against decapentaplegic homolog 9 also known as SMAD9 SMAD8 and MADH6 is a protein that in humans is enocoded by the SMAD9 gene.SMAD9 as its name describes is a homolog of the Drosophila gene: Mothers against decapentaplegic. It belongs to the SMAD family of proteins which belong to the TGFβ superfamily of modulators. Like many other TGFβ family members SMAD9 is involved in cell signalling.