UniProt Summary: Cell adhesion protein that participates in lymphocyte extravasation and recirculation by mediating the binding of lymphocytes to peripheral lymph node vascular endothelial cells in an L-selectin-independent fashion. Has semicarbazide-sensitive (SSAO) monoamine oxidase activity. May play a role in adipogenesis. {ECO:0000269|PubMed:17400359, ECO:0000269|PubMed:19588076, ECO:0000269|PubMed:23349812, ECO:0000269|PubMed:9653080}.