2JQJ:
reference: Diphosphothreonine-specific interaction between an SQ/TQ cluster and an FHA domain in the Rad53-Dun1 kinase cascade., Lee H, Yuan C, Hammet A, Mahajan A, Chen ES, Wu MR, Su MI, Heierhorst J, Tsai MD, Mol Cell. 2008 Jun 20;30(6):767-78. PMID: 18570878

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