5UL1:
reference: Rationally Designed PI3Kalpha Mutants to Mimic ATR and Their Use to Understand Binding Specificity of ATR Inhibitors., Lu Y, Knapp M, Crawford K, Warne R, Elling R, Yan K, Doyle M, Pardee G, Zhang L, Ma S, Mamo M, Ornelas E, Pan Y, Bussiere D, Jansen J, Zaror I, Lai A, Barsanti P, Sim J, J Mol Biol. 2017 Apr 20. pii: S0022-2836(17)30181-X. doi:, 10.1016/j.jmb.2017.04.006. PMID: 28433539

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