In a cell free system , binding of a DNA fragment ( TCGACAGGGTCATTTCAGGTCCTTGC ) from __SP__ and a protein protein complex consisting of __NODE__ and of __NODE__ is greater than binding of a DNA fragment ( TCGACTTCCAAAATGGGGATTAAATGAGGTAATATC ) from __SP__ __NODE__ gene and a protein protein complex consisting of __NODE__ and of __NODE__ .