A large family of cell regulatory proteins which are structurally related to TRANSFORMING GROWTH FACTOR BETA. The superfamily is subdivided into at least three related protein families: BONE MORPHOGENETIC PROTEINS; GROWTH DIFFERENTIATION FACTORS; and TRANSFORMING GROWTH FACTORS.

Synonyms: 0, TGF beta Superfamily Proteins, Transforming Growth Factor beta Superfamily Proteins, TGF-beta Superfamily Proteins, Superfamily Proteins, TGF-beta