PRKCD and infection: We observed that PP2 pretreatment resulted in decreased phosphorylation levels of NRF2 (S40), PKCδ (Y311) and SFK (Y416) proteins in both LgyLRV1+ and LgyLRV1- infection, in both WT and Nox2-/- cells at the two time points (Figs 7A and S7A).