3K3Q:
reference: A Single-Domain Llama Antibody Potently Inhibits the Enzymatic Activity of Botulinum Neurotoxin by Binding to the Non-Catalytic alpha-Exosite Binding Region., Dong J, Thompson AA, Fan Y, Lou J, Conrad F, Ho M, Pires-Alves M, Wilson BA, Stevens RC, Marks JD, J Mol Biol. 2010 Feb 6. PMID: 20138889

This OCA Structure page
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