Furthermore, transfection experiments with RANK and its deletion mutants in human embryonic 293 cells revealed that the TRAF6-binding region (340-358), but not the TRAF2 or TRAF5-binding region, is necessary and sufficient for RANK-induced NF-kappaB activation.中的基因蛋白实体词是什么？ Make sure to only use capital letters in your entire response.
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