Table 3. Domain assignment for the catalytic domains of GtfB, GtfC and GtfD.

	A1	A2	B1	B2	C	IV1	IV2
GtfB (GTF-I)	417–666	803–936	347–416	937–1031	667–802	220–346	1032–1062
GtfC (GTF-SI)	443–692	829–961	372–442	962–1056	693–828	246–371	1057–1087
GtfD (GTF-S)	431–688	834–967	360–430	968–1062	689–833	233–359	1063–1091