May play a role in growth-suppressive activity and cell death (PubMed:24652652). May be involved in the production of chemokine molecules in umbilical vein endothelial cells (HUVECs) cultured in THP1 monocyte LPS-induced medium (PubMed:20236627). Plays a role in preventing tumor onset (By similarity). {ECO:0000250|UniProtKB:Q8BGE4, ECO:0000269|PubMed:20236627, ECO:0000269|PubMed:24652652}. This is the function of Ensembl gene identifier ENSG00000100647 (SUSD6, sushi domain containing 6).