3GNZ:
reference: A common toxin fold mediates microbial attack and plant defense., Ottmann C, Luberacki B, Kufner I, Koch W, Brunner F, Weyand M, Mattinen L, Pirhonen M, Anderluh G, Seitz HU, Nurnberger T, Oecking C, Proc Natl Acad Sci U S A. 2009 Jun 23;106(25):10359-64. Epub 2009 Jun 11. PMID: 19520828

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