Supplementary Table I. Yeast strains used in this study Strain RS453 Ds1 Sac3∆ Sac3∆ Sac3∆ (G1) Sac3∆ SUS1-GFP Sac3∆ THP1-GFP SUS1-13xmyc SUS1-TAP THP1GST CDC31-TAP SPC42-GFP Cdc31∆ Cdc31-115 Cdc31-54 tetO::CDC31 SUS1-TAP THP1GST sac3∆ THP1-TAP SUS113xmyc Sus1∆ tetO::CDC31 SUS1-GFP genotype MAT a/; ade2-1/ade2-1; his3-11,15/his3-11,15; ura3-52/ ura3-52; leu2-3,112/leu2-3,112; trp1-1/trp1-1 MAT leu2; trp1; his3; ura3; ADE2; ADE3; wildtype MAT a; his3∆1; leu2∆0; met15∆0; ura3∆0; sac3::kanMX4 MAT ; his3∆1; leu2∆0; lys2∆0; ura3∆0; sac3::kanMX4 MAT a; his3; leu2; ura3; trp1; ade2; sac3::kanMX4 MAT leu2; trp1; his3; ura3; ADE2; ADE3; sac3::kanMX4; SUS1-GFP::TRP1 MAT leu2; trp1; his3; ura3; ADE2; ADE3; sac3::kanMX4; THP1-GFP::TRP1 MAT leu2; trp1; his3; ura3; ADE2; ADE3; SUS113xmyc::TRP MAT a; ade2-1; his3-11,15; ura3-52; leu2-3,112; trp1-1; SUS1TAP::TRP; THP1-GST::HIS MAT leu2; trp1; his3; ura3; ADE2; ADE3; CDC31TAP::TRP MATa ura3-52 leu2s1 his3s200 trp1s63 SPC42GFP::KanMX6. MATa ura3-52 lys2-801amber ade2-101ochre trp1s63 leu2s1 his3s200 scdc31::HIS3 leu2-MET3-CDC31-LEU2 MAT leu2; his3; ura3; ade2; cdc31-L45S::ura MAT leu2; his3; ura3; ade2; cdc31-D144N::ura MAT leu2; trp1; his3; ura3; ADE2; ADE3; tetO::CDC31::kanMX4 MAT a; ade2-1; his3-11,15; ura3-52; leu2-3,112; trp1-1; SUS1TAP::TRP; THP1-GST::HIS; MAT ; ura3; leu2; trp1; his3; THP1-TAP::TRP1-KL; SUS113xmyc::HIS3; sac3::kanMX4 MAT a; his3∆1; leu2∆0; met15∆0; ura3∆0; sus1::kanMX4 MAT leu2; trp1; his3; ura3; ADE2; ADE3; tetO::CDC31::kanMX4 SUS1-GFP::TRP reference Euroscarf Euroscarf Fischer et al., 2002 Rodriguez et al., 2004 Fischer et al., 2002 this study this study this study Pereira et al., 2001 Spang et al., 1995 Ivanovska and Rose, 2001 Ivanovska and Rose, 2001 this study this study Rodriguez et al., 2004 Rodriguez et al., 2004 this study Supplementary Table II. Plasmids and plasmid constructions plasmid pGALPATG1L pNOPPATA1L pNOPGFPA1L pGALPATG1LSAC3/SAC3-C(563-1301) pNOPPATA1L -SAC3 pNOPGFPA1L –SAC3 /C pGALPATG1L-SAC3608-1301/696-1301/7331301/851-1301 pGALPATG1L-SAC3CID pGALTAPG1L-SAC3 563-1301/733-1301/8511301/CID pNOPPATA1LSAC3/SAC3-C(5631301) pNOPPATA1L-SAC3608-1301/696-1301/7331301/851-1301/CID pNOPGFPA1L-SAC3608-1301/696-1301/7331301/851-1301/CID PRS426-CDC31 pRS316-CDC31-GFP (pSM875) pNOPPATA1LSAC3∆CID pNOPGFPA1LSAC3∆CID Rpl25-GFP Rps2-GFP pRS426-NLS-NES2xGFP construction reference Künzler et al., 2000 Hellmuth et al., 1998 Hellmuth et al., 1998 Fischer et al., 2002 Fischer et al., 2002 Fischer et al., 2002 SAC3 bp 1822-3903/2086-3903/2197-3903/2551-3903 were inserted into NcoI and BamHI sites of pGALPATG1L this study SAC3 bp 2197-2582 were inserted into NcoI and BamHI sites of pGALPATG1L ccatggagaagagaagatggaaaaagaatttcatagccgtctcagcagccaaccgctttaa gaaaatctcatcctccggggcacttgatgccatgg sequence was inserted into NcoI site of the corresponding pGALPATG1L plasmid this study this study Fischer et al., 2002 SAC3 bp 1822-3903/2086-3903/2197-3903/2551-3903/2197-2582 were inserted into NcoI and BamHI sites of pNOPPATA1L this study PstI fragment of the corresponding pNOPPATA1L plasmid was inserted into PstI site of pNOPGFPA1L this study Not1 restriction site was introduced before the stop codon of CDC31. The Not1-fragment of pYM12 containing GFP-KanMX6 was then inserted into the Not1 site. SAC3 bp 1-2199 was inserted into NcoI site of pNOPPATA1LSAC3 851-1301 PstI fragment of the pNOPPATA1L-SAC3∆CID plasmid was inserted into PstI site of pNOPGFPA1L Geier et al., 1996 this study this study this study Hurt et al., 1999 Fischer et al., 2002 Stade et al., 1997 References (Supplementary Tables) Fischer, T. et al. The mRNA export machinery requires the novel Sac3p-Thp1p complex to dock at the nucleoplasmic entrance of the nuclear pores. EMBO J. 21, 5843-5852 (2002). Geier, B. M., Wiech, H. & Schiebel, E. Binding of centrins and yeast calmodulin to synthetic peptides corresponding to binding sites in the spindle pole body components Kar1p and Spc110p. J Biol Chem 271, 28366-74 (1996). Hellmuth, K., Lau, D.M., Bischoff, F.R., Künzler, M., Hurt, E.C., and Simos, G. Yeast Los1p Has Properties of an Exportin-Like Nucleocytoplasmic Transport Factor for tRNA. Mol.Cell.Biol. 18, 6364-6386 (1998). 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