[Term] id: PR:000000616 name: TGF-beta 1 isoform 1 mature form def: "A TGF-beta 1 isoform 1 that has been processed by proteolytic cleavage and released from the latent complex. This form is the active mature protein. Example: UniProtKB:P01137-1, 279-390." [PRO:CNA, PRO:DAN, PMID:3162913] comment: Category=modification. synonym: "TGFB1/iso:1/mature" EXACT PRO-short-label [PRO:DNx] synonym: "TGF-beta 1 active protein" RELATED [] synonym: "TGF-beta 1 mature protein" RELATED [] is_a: PR:000000397 ! TGF-beta 1 isoform 1 relationship: output_of GO:0016485 ! protein processing