... incubated with the reactivase in the presence of ADP and Mg2+ and followed by nondenaturing PAGE, the bands of the enzyme and the reactivase were markedly reducedin density, and two bands of the enzymeÆreactivasecomplexes ... Positions of DD and its subun-its (aD, bD and cD) and the reactivase (DD-R) and its subunits (aR and bR) are indicated on the right of the gels. In (C), to improve visi-bility of the bands of ... analyses. Both band i and band vi of the enzymeÆreactivase complexes comprised all of the subunits from the enzyme (a, b, and c) and the reacti-vase (a and b) (Fig. 5B,C, lanes i and vi). Subunitcompositions...