MeSH definition : One of the two types of ACTIVIN RECEPTORS or activin receptor-like kinases (ALK'S).
There are several type I activin receptors. The major active ones are ALK-2 (ActR-IA)
and ALK-4 (ActR-IB).;
MeSH synonym : activin receptor like kinases, type i; activin receptor-like kinases, type i;
One of the two types of ACTIVIN RECEPTORS or activin receptor-like kinases (ALK'S).
There are several type I activin receptors. The major active ones are ALK-2 (ActR-IA)
and ALK-4 (ActR-IB).