hMAD 3, hSMAD3, HSPC193, JV15 2, JV152, MAD (mothers against decapentaplegic Drosophila) homolog 3, MAD3, MADH 3, MADH3, Mothers against decapentaplegic homolog 3, Mothers against DPP homolog 3, SMA and MAD related protein 3, SMAD 3, SMAD, SMAD-3, SMAD3_HUMAN.