2AJW:
reference: Engineering stable peptide toxins by means of backbone cyclization: stabilization of the alpha-conotoxin MII., Clark RJ, Fischer H, Dempster L, Daly NL, Rosengren KJ, Nevin ST, Meunier FA, Adams DJ, Craik DJ, Proc Natl Acad Sci U S A 2005 Sep 27;102(39):13767-72. Epub 2005 Sep 14. PMID: 16162671

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