Table 1.

Known components of the human transcription-coupled export (TREX) complex.

TREX Component	Alternative Name	S. cerevisiae Ortholog	Known Interactions in TREX
UAP56	BAT1, DDX39B	Sub2	Aly, CIP29 [28], Chtop [29], UIF [30], THO [23], SKAR, ZC11A [31]
DDX39	URH49, DDX39A	Sub2	Aly [32], UIF [30], CIP29 [33]
Aly	Ref, Alyref, Thoc4, Bef	Yra1	UAP56 [34], Chtop [29], Thoc5, Thoc2 [35]
CIP29	HCC1, Tho1, Sarnp	Tho1	UAP56 [28]
UIF	FYTTD1	-	UAP56 [30]
Chtop	SRAG, CAO77 FOP	-	UAP56, Aly [29]
SKAR	pDIP3, PolDIP3	-	?
ZC11A	ZC3H11A	-	?
Thoc1	Hpr1, p84	Hpr1	Part of THO [35]
Thoc2	Tho2	Tho2	Aly, Part of THO [35]
Thoc5	fSAP79, Fmip	-	Aly, Part of THO [35]
Thoc6	fSAP35, WDR58	-	Part of THO [35]
Thoc7	fSAP24	-	Part of THO [35]
Tex1	Thoc3	Tex1	Part of THO [35]