CPSF4 and infection: While we did not detect CPSF30 at genes with type I (5S rRNA) and type III (U6 RNA, 7SK RNA, and Y RNA) promoters (SI Appendix, Fig. S5 A and B), we did detect CPSF30 at Polr3A-occupied tRNA genes (n = 295) during infection (Fig. 6 A and B).