Thrombospondin-1 trimer Integrin alpha3beta1 Integrin alpha3beta1:Thrombospondin-1 Interaction of integrin alpha3beta1 with Thrombospondin-1 Authored: Geiger, B, Horwitz, R, 2008-05-07 08:30:32 Edited: Garapati, P V, 2008-03-11 10:20:45 Pubmed10982388 Reactome Database ID Release 43265429 Reactome, http://www.reactome.org ReactomeREACT_13576 Reviewed: Yamada, K, Humphries, MJ, Hynes, R, 2008-05-07 08:53:37 The alpha3beta1 integrin is localized in cell-cell junctions of endothelial cells and this integrin is involved in regulating angiogenesis by interacting with thrombospondin-1 (TSP1).