User:Jakob Suckale/nts

only free licenses policy at wikipedia
Image_use_policy

For a list of possible licenses which are considered "free enough" for Wikipedia, see Image copyright tags. Licenses which restrict the use of the media to non-profit or educational purposes only (i.e. noncommercial use only), or are given permission to only appear on Wikipedia, are not free enough for Wikipedia's usages or goals and will be deleted .. Sources of free images can be found at Free image resources. In short, Wikipedia media (with the exception of "fair use" media &mdash; see below) should be as "free" as Wikipedia's content &mdash; both to keep Wikipedia's own legal status secure as well as to allow for as much re-use of Wikipedia content as possible.

Creative Commons 2.5 Attribution
You are free:
 * to Share — to copy, distribute and transmit the work
 * to Remix — to adapt the work

Under the following conditions:
 * Attribution. You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
 * Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.

see also Image_copyright_tags/Free_licenses

PDB structures
http://www.rcsb.org/robohelp_f/#site_navigation/citing_the_pdb.htm

" The contents of PDB are in the public domain.

Online and printed resources are welcome to include PDB data and images from the RCSB PDB website, and may be sold, as long as the images and data are not for sale as commercial items themselves, and their corresponding citations are included.

...

Structures used from the PDB should be cited with the PDB ID and the JRNL reference. For example, structure 102L should be referenced as:
 * PDB ID: 102L
 * D.W.Heinz, W.A.Baase, F.W.Dahlquist, B.W.Matthews
 * How Amino-Acid Insertions are Allowed in an Alpha-Helix of T4 Lysozyme.
 * Nature 361 pp. 561 (1993)"

suggested new template for PDB here: Wikipedia_talk:Image_copyright_tags