3QW5:
reference: Peptide inhibitors of botulinum neurotoxin serotype A: design, inhibition, cocrystal structures, structure-activity relationship and pharmacophore modeling., Kumar G, Kumaran D, Ahmed SA, Swaminathan S, Acta Crystallogr D Biol Crystallogr. 2012 May;68(Pt 5):511-20. Epub 2012 Apr 17. PMID: 22525749

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