Function: Receptor for TNFSF13B/BLyS/BAFF and TNFSF13/APRIL. Promotes B-cell survival and plays a role in the regulation of humoral immunity. Activates NF-kappa-B and JNK.
Subunit: Associates with TRAF1, TRAF2, TRAF3, TRAF5 and TRAF6.
Subcellular Location: Cell membrane; Single-pass type III membrane protein. Endomembrane system; Single-pass type III membrane protein.