Background:
Has E3 ubiquitin-protein ligase activity (PubMed:24130170).Acts as an anti-apoptotic regulator of the JNK pathway by ubiquitinating and promoting the degradation of SH3RF1,a scaffold protein that is required for pro-apoptotic JNK activation (PubMed:22128169).Facilitates TNF-alpha-mediated recruitment of adapter proteins TRADD and RIPK1 to TNFRSF1A and regulates PAK4 protein stability via inhibition of its ubiquitin-mediated proteasomal degradation (PubMed:24130170).Inhibits PPP1CA phosphatase activity (PubMed:19945436,PubMed:19389623).