File:Prosite.png

Summary
logo of PROSITE, a biological database of protein domains, families and functional sites.

Fair use in PROSITE
The logo is used for illustration in the article about the database - this is believed to constitute fair use. Though this image is subject to copyright, its use is covered by the U.S. fair use laws because:
 * 1) It illustrates an educational article about the entity that the logo represents.
 * 2) The image is used as the primary means of visual identification of the article topic.
 * 3) It is a low resolution image, and thus not suitable for production of counterfeit goods.
 * 4) The logo is not used in such a way the a reader would be confused into believing that the article is written or authorized by the owner of the logo.
 * 5) It is not replaceable with an uncopyrighted or freely copyrighted image of comparable educational value.