File:4xhe pinnatoxin pentamer.png

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	06:30, 31 December 2018		1,280 × 960 (709 KB)	Opabinia regalis	{{Information \|description ={{en\|1=Crystal structure of the ''Aplysia californica'' acetylcholine-binding protein pentamer in complex with pinnatoxin A (yellow). The protein chains are shown in different colors to highlight the position of the pinnatoxin at the inter-subunit interfaces. Pinnatoxins are macrocyclic molecules which were discovered in shellfish and are produced by dinoflagellates. They are highly toxic due to their interactions with nicotinic acetylcholine receptors, for which...

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