PRDM1 and infection: The absence of Prdm1 attenuated ZBTB32 binding to the regulatory regions of Eomes and Cd27 at day 7 post-LCMV-Armstrong infection, and in reciprocal fashion, the Zbtb32-deficiency attenuated Blimp-1 binding (Amp1 in Eomes or Cd27) (Fig 7D).