Figure 2: Activation and inactivation of dual ATPases drive the clock system (IMAGE)

National Institutes of Natural Sciences

Figure 2: Activation and inactivation of dual ATPases drive the clock system

Caption

The ATPase activity is inactivated during the evening and night, but recovers autonomously at dawn and is further activated in the morning (left upper panel). The relative position of a catalytic water molecule determines the reaction efficiency (right upper panel). Protein complexes are autonomously disassembled by KaiA-assisted auto-catalytic activation of dual ATPases to terminate the subjective night (lower panel).

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