The function of TNFRSF6B (TNF receptor superfamily member 6b, ENSG00000243509) is as follows. Soluble decoy receptor that binds and neutralizes the TNF- family ligands TNFSF14/LIGHT, TNFSF15, and FASLG, preventing them from interacting with their cognate receptors and thereby blocking apoptosis and other immune-signaling pathway. {ECO:0000269|PubMed:10318773, ECO:0000269|PubMed:11390428, ECO:0000269|PubMed:21300286, ECO:0000269|PubMed:25087510, ECO:0000269|PubMed:27806260, ECO:0000269|PubMed:9872321}.