TABLE 1.

Interaction of dimerization-defective S6 with INI1 and IN

S6clone	Mutation in Rpt1	Mutation in Rpt2	Interaction with INI1a	Interaction with INa
			%	%
S6			100	100
DD1	F233L		33	<1
DD2	F204S		33	<1
DD3	V234A,I237T		27	<1
DD4	I195T,W206R		28	<1
DD5		I263T	<5	10
DD6		I264T,I268T	<1	10

^a Percentage of β-galactosidase activity representing the interaction of wild type S6 protein with wild type INI1 or IN.