4EAL:
reference: AMP-activated protein kinase undergoes nucleotide-dependent conformational changes., Chen L, Wang J, Zhang YY, Yan SF, Neumann D, Schlattner U, Wang ZX, Wu JW, Nat Struct Mol Biol. 2012 Jun 3;19(7):716-8. doi: 10.1038/nsmb.2319. PMID: 22659875

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