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• 1VOT: acetylcholinesterase (e.c. 3.1.1.7) complexed with huperzine a (10.1038/NSB0197-57 )
• 1GPK: structure of acetylcholinesterase complex with (+)-huperzine a at 2.1a resolution (10.1021/BI020151+ )
• 4EY5: crystal structure of recombinant human acetylcholinesterase in complex with (-)-huperzine a (10.1021/JM300871X )