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. 2015 Mar 17;2015:247426. doi: 10.1155/2015/247426

Figure 1.

Figure 1

The forms of ligands to activate TACI. Both the BAFF 60-mers and multimerized APRIL are able to activate TACI; however, BAFF trimers and APRIL trimers cannot activate TACI. Because at least two TRAF trimers need to associate six TACIs to activate the classical NF-κB pathway.