6CAD:
reference: Effects of rigidity on the selectivity of protein kinase inhibitors., Assadieskandar A, Yu C, Maisonneuve P, Liu X, Chen YC, Prakash GKS, Kurinov I, Sicheri F, Zhang C, Eur J Med Chem. 2018 Feb 25;146:519-528. doi: 10.1016/j.ejmech.2018.01.053. Epub , 2018 Jan 31. PMID: 29407977

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