State Transitions--a Question of Balance

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Science  07 Mar 2003:
Vol. 299, Issue 5612, pp. 1530-1532
DOI: 10.1126/science.1082833

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Plant biologists have struggled for decades to identify a crucial kinase that orchestrates the transition of the photosynthetic machinery from state 1 to state 2, an energy conserving-process designed to maximize the light conditions. In his Perspective, Allen reveals the identity this kinase and the mechanism by which it controls transitions ( Depège et al.).