Cartoon ribbons in PyMOL rival those of the popular Molscript/Raster3D packages, but PyMOL makes creating high quality images much easier. While PyMOL can read Molscript output directly (see the chapter on Molscript), this is no longer necessary or as convenient as utilizing PyMOL's built-in cartoon ribbon capability:
One of the advantages of PyMOL's cartoon ribbon facility is that it is easy to switch between "smoothed" versions of protein secondary structure, and "correct" renditions which portray actual main chain coordinates. Although cartoons are often used solely to represent protein structures in a schematic sense, sometimes it is desirable to combine a schematic overall picture with atomic resolution in one particular location. However, unless the cartoon track properly with alpha-carbon positions, the resulting figures will look a little silly:
Arrow Cartoon Images Download
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To facilitate beautiful imagery, smoothing is enabled by default (just like Molscript) [NOTE: THIS MAY CHANGE BEFORE VERSION 1.0] . Just be sure to turn it off when you want to study structures at atomic resolution (remember, real life is a bit more complicated than what you see in cartoons!).
Best results will be obtained when secondary structure information has been defined for each residue in the molecule. Under these conditions, PyMOL will do extra processing to insure that good normals have been calculated for helical regions, and perform smoothing of loops, where desired.
Also under such conditions, in automatic mode, cartoon representations will be assigned according to the secondary structure type. However, you can instruct PyMOL to ignore such information, and manually control when and where various cartoon representations are employed.
It is recommended that you read in PDB files which already have correct secondary structure assignments from a program like DSSP. However, PyMOL does have a reasonably fast secondary structure alignment algorithm called "dss". Please be aware that due to the subjective nature of secondary structure assignment in borderline cases, dss results will differ somewhat from DSSP.
Digital Collections Images of the cartoons, comic strips, photographs, and clippings and other collection items that have been digitized to date (only a small portion of our total collection). Searchable by keyword and by faceted searching.
* Improvements are still in progress so some images may not be available at times. You may also use our Art Database to search for images of original art. If you need assistance in locating the images you need, please contact cartoons@osu.edu We apologize for any inconvenience.
Billy Ireland Cartoon Library & Museum Subject Files This is a listing of files that contain cartoon and article clippings organized by subject. Contents of the files are not digitized so they must be viewed in the reading room.
Billy Ireland Cartoon Library & Museum Topic Files This is a listing of files that contain cartoon clippings organized by topic. Contents of the files are not digitized so they must be viewed in the reading room.
Guide to Multi-Cultural Resources Guide to materials in the Billy Ireland Cartoon Library & Museum collection that have been created by artists who are African American, Asian American, Latin/x American, and Indigenous Peoples of the Americas. Each guide is presented in two different organizational structures containing the same content, in order to facilitate varying researcher needs. The first section of each guide is organized by material type (biographical files, original art, archival collections, bound volumes, comic books, online resources, and more), and the second is organized alphabetically by creator. 152ee80cbc
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