4FVQ:
reference: Crystal structures of the JAK2 pseudokinase domain and the pathogenic mutant V617F., Bandaranayake RM, Ungureanu D, Shan Y, Shaw DE, Silvennoinen O, Hubbard SR, Nat Struct Mol Biol. 2012 Jul 22. doi: 10.1038/nsmb.2348. PMID: 22820988

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