C-ter TLR9 dimer:unmethylated CpG DNA Rab5-mediated recruitment of class III PI3K to TLR9 Pubmed14751759 Pubmed17878374 Reactome Database ID Release 43188002 Reactome, http://www.reactome.org ReactomeREACT_9041 TLR9 signaling has the uncommon property of triggering PI3K-mediated cascades via Rab5. PI3K class III activated TLR9:PI3K class III