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. Author manuscript; available in PMC: 2012 Jun 28.
Published in final edited form as: Biochemistry. 2011 Jun 6;50(25):5566–5582. doi: 10.1021/bi200642e

Figure 1. The P16-CDK4/6-pRb Pathway.

Figure 1

Arrows and minus signs represent positive and negative regulatory effects, respectively. P, phosphorylated. This figure was modified from Reference 56.