2QR7:
reference: Structural basis for activation of the autoinhibitory C-terminal kinase domain of p90 RSK2., Malakhova M, Tereshko V, Lee SY, Yao K, Cho YY, Bode A, Dong Z, Nat Struct Mol Biol. 2008 Jan;15(1):112-3. Epub 2007 Dec 16. PMID: 18084304

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