. "\"Any process that activates or increases the frequency, rate or extent of activity of the transcription factor NF-kappaB.\" [GOC:dph, GOC:tb, PMID:15087454, PMID:15170030]" . . "positive regulation of NF-kappaB transcription factor activity" . "activation of NF-kappaB" . "activation of NF-kappaB transcription factor" . "NF-kappaB activation" . "Reactome:REACT_107873 \"TAK1 activates NFkB by phosphorylation and activation of IKKs complex, Rattus norvegicus\"" . "Reactome:REACT_113398 \"TAK1 activates NFkB by phosphorylation and activation of IKKs complex, Taeniopygia guttata\"" . "Reactome:REACT_113766 \"TAK1 activates NFkB by phosphorylation and activation of IKKs complex, Drosophila melanogaster\"" . "Reactome:REACT_21281 \"TAK1 activates NFkB by phosphorylation and activation of IKKs complex, Homo sapiens\"" . "Reactome:REACT_31084 \"TAK1 activates NFkB by phosphorylation and activation of IKKs complex, Canis familiaris\"" . "Reactome:REACT_33907 \"TAK1 activates NFkB by phosphorylation and activation of IKKs complex, Danio rerio\"" . "Reactome:REACT_34168 \"TAK1 activates NFkB by phosphorylation and activation of IKKs complex, Sus scrofa\"" . "Reactome:REACT_34256 \"TAK1 activates NFkB by phosphorylation and activation of IKKs complex, Bos taurus\"" . "Reactome:REACT_87914 \"TAK1 activates NFkB by phosphorylation and activation of IKKs complex, Xenopus tropicalis\"" . "Reactome:REACT_95400 \"TAK1 activates NFkB by phosphorylation and activation of IKKs complex, Mus musculus\"" . .