2NX7:
reference: Sequence-Structure and Structure-Function Analysis in Cysteine-rich Domains Forming the Ultrastable Nematocyst Wall., Meier S, Jensen PR, Adamczyk P, Bachinger HP, Holstein TW, Engel J, Ozbek S, Grzesiek S, J Mol Biol. 2007 May 4;368(3):718-28. Epub 2007 Feb 24. PMID: 17362991

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