2WIU:
reference: New kinase regulation mechanism found in HipBA: a bacterial persistence switch., Evdokimov A, Voznesensky I, Fennell K, Anderson M, Smith JF, Fisher DA, Acta Crystallogr D Biol Crystallogr. 2009 Aug;65(Pt 8):875-9. Epub 2009, Jul 17. PMID: 19622872

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