MAD homolog 2, Mothers against DPP homolog 2, hMAD-2, SMAD 2, Smad2, hSMAD2, SMAD2, MADH2, MADR2, Drosophila, homolog of, MADR2, hMAD-2, HsMAD2, JV18, JV18-1, JV181, MAD, MAD homolog 2, MAD Related Protein 2, Mad-related protein 2, MADH2, MADR2, MGC22139
Smad proteins, the mammalian homologs of the Drosophila mothers against decapentaplegic (Mad), have been implicated as downstream effectors of TGFbeta/BMP signaling. Smad1 (also designated Madr1 or JV4-1) and Smad5 are effectors of BMP-2 and BMP-4 function,