In a cell free system , the affinity of binding of __NODE__ protein and a protein protein complex consisting of __NODE__ and of __NODE__ and of __NODE__ [__NODE___A_ALPHA] and of __NODE__ A BETA SUBUNIT [__NODE__] is greater than the affinity of binding of __NODE__ protein and a protein protein complex consisting of __NODE__ and of __NODE__ and of __NODE__ and of __NODE__ .