Activin Receptors, Type II

**Definition:** One of the two types of ACTIVIN RECEPTORS. They are membrane protein kinases belonging to the family of PROTEIN SERINE-THREONINE KINASES. The major type II activin receptors are ActR-IIA and ActR-IIB.

**Tree numbers:** - D08.811.913.696.620.682.700.062.750 - D12.776.476.563.062.750 - D12.776.543.750.750.400.820.500.750

**Synonyms:** - Activin Receptors Type II - Activin Receptor Like Kinases, Type II