5E6G:
reference: Design of structurally distinct proteins using strategies inspired by evolution., Jacobs TM, Williams B, Williams T, Xu X, Eletsky A, Federizon JF, Szyperski T, Kuhlman B, Science. 2016 May 6;352(6286):687-90. doi: 10.1126/science.aad8036. PMID: 27151863

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