Table II. Saccharomyces cerevisiae strains used in this study.

Strain	Genotype	Source or reference
F556 (W303)	MATa ade2-1 trp1-1 can1-100 leu2-3, 112 his3-11, 15 ura3	A.Hopper
YLV314U	MATa ura3::URA3::rpg1-1 trp1-1::TRP1::rpg1-Δ2 ade2-1 can1-100 leu2-3,112 his3-11,15	Valášek et al. (1998)
B8302	MATa cyc1-NLS cyc7-67 ura3-52 lys5-10 nip1-1	D.Goldfarb
H1676	MATa prt1-1 leu2-3 leu2-112 ura3-52
H2880	MATa trp1-1 leu2-3,112 ura3-52	Nielsen et al.a
H2881	MATa trp1-1 leu2-3,112 ura3-52 gcn2Δ	Nielsen et al.a
H2924	MATα leu2-3,112 ura3-52 ino1 gcd6Δ gcn2Δ HIS4-LacZ::ura3-52 (YDpGCD6-7A, LEU2; p1780-FL, SUI2 SUI3-FL GCD11 URA3)
H2898	MATa ura3-52 leu2-3 leu2-112 trp1-Δ63 gcn2Δ tif5Δ::hisG tif34Δ::hisG p[TIF5-FL TRP1] p[TIF34-HA LEU2]
H2899	MATa ura3-52 leu2-3 leu2-112 trp1-Δ63 gcn2Δ tif5Δ::hisG tif34Δ::hisG p[tif5-FL-7A TRP1] p[TIF34-HA LEU2]

^aK.H.Nielsen, L.Valášek and A.G.Hinnebusch, in preparation.