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. Author manuscript; available in PMC: 2014 Sep 3.
Published in final edited form as: Structure. 2013 Aug 8;21(9):1590–1601. doi: 10.1016/j.str.2013.06.024

FIGURE 1.

FIGURE 1

The CckA-ChpT-CtrA-CpdR signaling pathway controls cell cycle progression in Caulobacter. A. Schematic of the CckA-ChpT-CtrA-CpdR signaling pathway. B. Domain organization of the TCS proteins in the CckA-ChpT-CtrA-CpdR pathway (transmembrane helix, TM; Per-Arnt-Sim sensor domain, PAS; dimerization and histidine phosphotransfer domain, DHp; catalytic and ATP-binding domain, CA; receiver domain, RD; helix-turn-helix DNA binding domain, HTH; domain of unknown function, DUF). Vertical arrows point to residues involved in phosphotransfer.