Promotes integrin-mediated cell adhesion. May stimulate host defense against viruses and tumor cells. {ECO:0000269|PubMed:11146440, ECO:0000269|PubMed:8034587, ECO:0000269|PubMed:9501082}. This is the function of Ensembl gene identifier ENSG00000108679 (LGALS3BP, galectin 3 binding protein).