MeSH definition : A family of smad proteins that undergo PHOSPHORYLATION by CELL SURFACE RECEPTORS in
response to TRANSFORMING GROWTH FACTOR BETA; ACTIVIN; or BONE MORPHOGENETIC PROTEIN
signaling.;
A family of smad proteins that undergo PHOSPHORYLATION by CELL SURFACE RECEPTORS in
response to TRANSFORMING GROWTH FACTOR BETA; ACTIVIN; or BONE MORPHOGENETIC PROTEIN
signaling.