Two short segments of Smad3 are important for specific interaction of Smad3 with c-Ski and SnoN

Mizuide M, Hara T, Furuya T, Takeda M, Kusanagi K, Inada Y, Mori M, Imamura T, Miyazawa K, Miyazono K.
J Biol Chem. 2003 Jan 3;278(1):531-6. doi: 10.1074/jbc.C200596200. Epub 2002 Nov 7.
PMID: 12426322 DOI: 10.1074/jbc.C200596200