Habelhah et al., EMBO J 2004
:
These findings demonstrate that the TRAF2 RING is required for Ubc13 dependent ubiquitination, resulting in translocation of TRAF2 to an insoluble fraction and activation of JNK, but not of p38 or NF-kappaB
Yuasa et al., J Biol Chem 1998
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Thus, TRAF2 initiates SAPK and p38 activation by binding two proximal protein kinases : GCK and RIP