PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2950119-0 1987 The fibronectin cell attachment sequence Arg-Gly-Asp-Ser promotes focal contact formation during early fibroblast attachment and spreading. Arginine 41-44 fibronectin 1 Mus musculus 4-15