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. 2017 Jan 15;31(2):101–126. doi: 10.1101/gad.291518.116

Figure 5.

Figure 5.

PARP monoenzymes and catalytically inactive PARPs participate in diverse biological processes. (A) PARP-16 regulates the UPR by modulating PERK and IRE1α activity. (B) PARP-10 attenuates NF-κB signaling by inhibiting NEMO. (C) PARP-6 is required for neurogenesis in the hippocampus. (D) PARP-13 inhibits viral pathogens by promoting TRAIL-mediated apoptosis, accumulation of cytotoxic transcripts, and inhibition of retroviral mRNA production. (E) PARP-9 associates with deltex E3 ubiquitin ligase 3L (DTX3L). Together, they promote antiviral gene transcription and trigger degradation of viral 3C proteases. (F) The macroPARPs PARP-14 and PARP-15 are involved in host–virus conflicts via their rapidly evolving macrodomains. See the text for details.