Image:Ply-em.png

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Electron Microscopy reconstruction of Pneumolysin, taken from S.J. Tilley, E.V. Orlova, R.J.C. Gilbert, P.W. Andrew and H.R. Saibil, Structural Basis of Pore Formation by the Bacterial Toxin Pneumolysin (2005) Cell 121 , pp. 247–256. http://www.cellpress.com/

Fair use as an illustration not create-able by me, and as a good example in the pore forming toxins page. The Left hand panel shows the pre-pore state - i.e. a circular, multimeric structure sitting on the cell surface ready to push through the cell membrane. The right hand panel shows the pore state - i.e. after the push through the cell membrane.

Bassophile 14:09, 17 January 2007 (UTC)

This work is copyrighted and unlicensed. It does not fall into one of the blanket acceptable non-free content categories listed at Wikipedia:Non-free content#Images or Wikipedia:Non-free content#Audio clips. However, it is believed that the use of this work in the article "Pore Forming Toxins" :

To illustrate the subject in question
Where no free equivalent is available or could be created that would adequately give the same information
On the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation ([1]),

qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content and Wikipedia:Copyrights.

To the uploader: this tag is not a sufficient claim of fair use. You must also include the source of the work, all available copyright information, and a detailed non-free use rationale.

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	Date/Time	Dimensions	User	Comment
current	14:06, 17 January 2007	868×318 (329 KB)	Bassophile (Talk \| contribs)	(Electron Microscopy reconstruction of Pneumolysin, take from S.J. Tilley, E.V. Orlova, R.J.C. Gilbert, P.W. Andrew and H.R. Saibil, Structural Basis of Pore Formation by the Bacterial Toxin Pneumolysin (2005) Cell '''121''' , pp. 247–256. Fair use a)