TABLE 1.

Strains used in this study

PH499	MATa ade2-101 ochre his3-200 leu2-1 ura3-52 trp1-63 lys2-801 amber
YJR374	PH499 but taf1-2::TRP1
YJR997	PH499 but spt3Δ::KanMx
YJR1002	PH499 but gcn5Δ::KanMx
YJR1007	PH499 but spt7Δ::KanMx
YJR 1100	PH499 but spt3Δ::KanMx, Δgcn5::HIS3
YJR986	PH499 but (34 bp dA:dT at -90/-60) RNR3:LEU2
YJR991	YJR374 but (34 bp dA:dT at -90/-60) RNR3:LEU2
YJR1000	YJR997 but (34 bp dA:dT at -90/-60) RNR3:LEU2
YJR1005	YJR1002 but (34 bp dA:dT at -90/-60) RNR3:LEU2
YJR1010	YJR1007 but (34 bp dA:dT at -90/-60) RNR3:LEU2