| 2FR4: reference: Impact of DNA hairpin folding energetics on antibody-ssDNA association., Ou Z, Bottoms CA, Henzl MT, Tanner JJ, J Mol Biol. 2007 Dec 7;374(4):1029-40. Epub 2007 Oct 3. PMID: 18028946 |
This OCA 
Structure page
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(documentation).