http://www.elmhurst.edu/~chm/vchembook/images/566alphahelix.gif

http://en.wikipedia.org/wiki/File:Peptide_angles.png

http://commons.wikimedia.org/wiki/File:Pi_helix_topview.pnghttp://en.wikipedia.org/wiki/File:Pi_helix_neg55_neg70_sideview.png

http://bioinf.mpi-inf.mpg.de/conferences/ismb99/WWW/TUTORIALS/Brutlag/Image45.gif

http://www.bmb.psu.edu/faculty/tan/lab/gallery_proteins.html

http://wpcontent.answers.com/wikipedia/commons/thumb/f/f6/Gfp_and_fluorophore.png/300px-Gfp_and_fluorophore.png

http://eddiema.ca/wp-content/uploads/2009/10/1BG4_NTerm.png

Side view of GFP and top view of Xylanase.

http://www.cryst.bbk.ac.uk/PPS2/course/section8/ss_960531_AFrame_28.gif

http://www.new-science-press.com/info/illustration_files/nsp-protein-1-5-1_12.jpg

http://femto.cs.uiuc.edu/~sbond/reports/villin/rama.gifhttp://www2.warwick.ac.uk/fac/sci/moac/currentstudents/peter_cock/r/density/scatter_glycine.png

www.expasy.ch

http://www.rcsb.org/pdb/home/home.do