a hetero- or homotrimer (can aggregate into 60-mer depending on the primary structure of the protein).

Interactions

B-cell activating factor has been shown to interact with TNFRSF13B, TNFSF13, TNFRSF13C, and TNFRSF17.

Interaction between BAFF and BAFF-R activates classical and noncanonical NF-?B signaling