In a system of purified components , binding of 3 ' O ( N Methylanthraniloyl ) __NODE__ and __SP__ __NODE__ 6 __NODE__ , Kinase [__NODE__] protein is the same as binding of 3 ' O ( N Methylanthraniloyl ) __NODE__ and mutant __SP__ __NODE__ 6 __NODE__ , Kinase [__NODE__] protein ( K172A ) .