Smad Proteins, Receptor-Regulated

**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.

**Tree numbers:** - D12.644.360.024.334.500 - D12.776.157.057.170.500 - D12.776.260.713.500 - D12.776.476.024.428.500 - D12.776.744.741 - D12.776.930.806.500

**Synonyms:** - Receptor-Regulated Smad Proteins - R-Smad Proteins