PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1693626-1 1990 Association of a novel beta 1-related subunit with alpha v. We report the isolation from two human neuroblastoma cell lines of an Arg-Gly-Asp-dependent integrin complex capable of binding to vitronectin, fibronectin, and type I collagen. Glycine 134-137 vitronectin Homo sapiens 191-202