PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15567420-1 2005 Transforming growth factor beta (TGF-beta) is secreted primarily as a latent complex consisting of the TGF-beta homodimer, the TGF-beta propeptides (called the latency-associated protein or LAP) and the latent TGF-beta binding protein (LTBP). propeptides 136-147 TNF receptor associated factor 3 Homo sapiens 190-193