[Term] id: PR:000000072 name: activin/inhibin beta subunit def: "A TGF-beta-like cystine-knot cytokine that is the beta subunit of inhibin and activin complexes. Related to the transforming growth factor-beta, anti-Muellerian hormone, and bone morphogenic protein families which are all involved in the regulation of cell growth and differentiation." [PRO:CNA] comment: Category=family. xref: PIRSF:PIRSF037268 is_a: PR:000000008 ! TGF-beta-like cystine-knot cytokine