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. 2011 Aug 5;6(8):e22490. doi: 10.1371/journal.pone.0022490

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Beal et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Mathematical representation of the functional unit in Figure 3, via (a) ordinary differential equation that describes the kinetics of the transcription factor . (b) The 3D profile of protein as a function of inputs and . (c,d) Typical input-output relations of the functional unit when modulating only one of the inputs.

Inline graphic — Mathematical representation of the functional unit in Figure 3, via (a) ordinary differential equation that describes the kinetics of the transcription factor . (b) The 3D profile of protein as a function of inputs and . (c,d) Typical input-output relations of the functional unit when modulating only one of the inputs.