Structure of a conserved hypothetical protein SA1388 from S. aureus reveals a capped hexameric toroid with two PII domain lids and a dinuclear metal center.

BMC Struct Biol · 2006 · PMC1779786 · PMID 17187687

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might be significantno p-value reported

This observation might be significant in light of the structure reported here because proteins that have been implicated in processes involving DNA metabolism often adopt toroidal structures [ 33 - 35 ].

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.