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. 2018 Apr 16;115(18):4655–4660. doi: 10.1073/pnas.1721441115

Fig. 4.

Fig. 4.

Dynamic activation of p38. KIM-peptide binding (blue sticks/surface) leads to uniform µs-ms dynamics between the hinge and activation loop, while the activation loop stays dynamic in the ps-ns timescale (yellow arrow). Phosphorylation (green balls) rigidifies the activation loop and, together with KIM-peptide binding, manipulates the motions that regulate the energy landscape of p38.