| 4WH4: reference: The double-histidine Cu(2)(+)-binding motif: a highly rigid, site-specific spin probe for electron spin resonance distance measurements., Cunningham TF, Putterman MR, Desai A, Horne WS, Saxena S, Angew Chem Int Ed Engl. 2015 May 18;54(21):6330-4. doi: 10.1002/anie.201501968., Epub 2015 Mar 27. PMID: 25821033 |
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