Structural basis of Smad1 activation by receptor kinase phosphorylation.
Qin, B.Y., Chacko, B.M., Lam, S.S., de Caestecker, M.P., Correia, J.J., Lin, K.(2001) Mol Cell 8: 1303-1312
- PubMed: 11779505 
- DOI: 10.1016/s1097-2765(01)00417-8
- Primary Citation of Related Structures:  
1KHU - PubMed Abstract: 
Phosphorylation of Smad1 at the conserved carboxyl terminal SVS sequence activates BMP signaling. Here we report the crystal structure of the Smad1 MH2 domain in a conformation that reveals the structural effects of phosphorylation and a molecular mechanism for activation ...