3EHJ:
reference: Structural plasticity and catalysis regulation of a thermosensor histidine kinase., Albanesi D, Martin M, Trajtenberg F, Mansilla MC, Haouz A, Alzari PM, de Mendoza D, Buschiazzo A, Proc Natl Acad Sci U S A. 2009 Sep 22;106(38):16185-90. Epub 2009 Sep 4. PMID: 19805278

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