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Figure 1 | BMC Systems Biology

Figure 1

From: Post-translational regulation enables robust p53 regulation

Figure 1

The p53-Mdm2 Feedback Loop. (A) p53 transcriptionally activates Mdm2, while Mdm2 degrades p53. (B) The p53 and Mdm2 levels oscillate upon DNA damage [21]. (C) Under normal conditions, Mdm2 is not suppressed by ATM and the intact feedback rejects disturbances. Upon DNA damage when p53 oscillates, the feedback is suppressed to allow p53 oscillation.

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