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Fig. 6. Comparison of binding properties of TRE-3KCNQ4 and TREPrest by EMSA. In vitro translated rat TR
(rTR
) and rTRß shifts [32P]TRE-3KCNQ4 (lanes 1,3) as well as [32P]TREPrest (lane 5,7) to two complexes with different electromobility (filled and open arrowheads). The interaction of rTR
or rTRß with [32P]TRE3KCNQ4 is significantly reduced in the presence of an excess of unlabeled TRE-3KCNQ4 competitor oligomers (lanes 2,4). The same is true for rTR
or rTRß with [32P]TREPrest by using TREPrest as a competitor (lanes 6,8).