2J5K:
reference: Specific radiation damage to acidic residues and its relation to their chemical and structural environment., Fioravanti E, Vellieux FM, Amara P, Madern D, Weik M, J Synchrotron Radiat. 2007 Jan;14(Pt 1):84-91. Epub 2006 Dec 15. PMID: 17211074

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