1N9J:
reference: Three-dimensional domain swapping in the folded and molten-globule states of cystatins, an amyloid-forming structural superfamily., Staniforth RA, Giannini S, Higgins LD, Conroy MJ, Hounslow AM, Jerala R, Craven CJ, Waltho JP, EMBO J 2001 Sep 3;20(17):4774-81. PMID: 11532941

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