Category:GO:0048180 ! activin complex

name: activin complex
namespace: cellular_component
def: "A nonsteroidal regulator, composed of two covalently linked inhibin beta subunits, inhibin beta-A and inhibin beta-B (sometimes known as activin beta or activin/inhibin beta). There are three forms of activin complex, activin A, which is composed of 2 inhibin beta-A subunits, activin B, which is composed of 2 inhibin beta-B subunits, and activin AB, which is composed of an inhibin beta-A and an inhibin beta-B subunit." [GOC:go_curators]
comment: Note that the actions of the activin complex are the opposite of those of the inhibin complex, which is a dimer of an inhibin beta-A or inhibin beta-B subunit and a inhibin alpha subunit. See 'inhibin complex ; GO:0043511'.
subset: goslim_pir
is_a: GO:0032991 ! protein-containing complex
relationship: part_of: GO:0005615 ! extracellular space

AmiGO <GOterm>GO:0048180</GOterm>
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