Figure 1.

The PTS reactions in P. putida. The C branch of the PTS is shown on the left hand side from PEP (reaction r4) while the second branch is shown on the right hand side (reactions r1r3). The phosphryl group from the final protein in the second branch, PtsN is not metabolized. However, there is evidence that cross talk occurs between the two branches. The C branch transfers the phosphryl group to the second branch directly to PtsN (reaction r5).

Kremling et al. BMC Systems Biology 2012 6:149   doi:10.1186/1752-0509-6-149
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