3GFQ:
reference: A single intersubunit salt bridge affects oligomerization and catalytic activity in a bacterial quinone reductase., Binter A, Staunig N, Jelesarov I, Lohner K, Palfey BA, Deller S, Gruber K, Macheroux P, FEBS J. 2009 Sep;276(18):5263-74. Epub 2009 Aug 13. PMID: 19682074

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