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. 2014 Aug 1;25(15):2282–2290. doi: 10.1091/mbc.E14-04-0912

FIGURE 7.

FIGURE 7

Model for CTP synthase filament formation. The transition of CTP synthase from an inactive dimer to an active tetramer is regulated by ATP, UTP, and CTP binding. We propose that the dimer can also partition into filaments in an inactive state.