Our findings indicate that HCMV infection disrupts PP1 function through the temporal dysregulation of at least nine recognized regulatory subunits, PPP1R10, PPP1R7, YLPM1, PPP1R11, PPP1R9A, PPP1R8 (NIPP1), PPP1R9B, PPP1R12C, and URI1 (Figure 6). Here, PPP1R7 is linked to cytomegalovirus infection.