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Welcome to Proteopedia, The free, collaborative 3D encyclopedia of proteins & other molecules

New feature: Convert PyMOL session files (.pse) into Jmol scenes in Proteopedia!
Watch a demo of the Proteopedia PyMOL2Jmol Translator, developed by Roni Gordon and the Proteopedia Team. You can also read more about the Proteopedia PyMOL2Jmol Translator (beta). To use it you may need to request a Proteopedia user account if you don't yet have one.

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Currently featured article

spinqualitylabelsall models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image ·· ·· ·· ·· ·· ·· ·· ·· ·· ·· ·· ··

Green links change the 3D image!   Click and drag on the molecule! The Ribosome by Wayne Decatur On October 7th, 2009 the Nobel Committee announced three structural biologists would share the 2009 Nobel Prize in Chemistry for studies of the The Ribosome. The ribosome is the machine in your cells that accurately and efficiently decodes the genetic information stored in your genome and synthesizes the corresponding polypeptide chain one amino acid at a time in the process of translation. Venkatraman Ramakrishnan of the M.R.C. Laboratory of Molecular Biology in Cambridge, England; Thomas A. Steitz of Yale University; and Ada E. Yonath of the Weizmann Institute of Science in Rehovot, Israel share the prize for the first atomic-resolution structures of the two subunits that come together to form an active ribosome. These structures are considered landmarks for the fact they showed clearly the major contributions to decoding and peptide bond synthesis come from RNA and not protein, as well as for the sheer size of the structures determined. These structures represent tour-de-force efforts in understanding fundamental processes in every organism on earth and will have direct impacts on how we fight pathogenic bacteria in the immediate future. Shown are both subunits of the ribosome, as well as that bind in the complex during the process of translation. Read more.... H1N1 Flu, Tamiflu & Neuraminidase were featured here earlier. See all previously featured articles...

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Favorites	Find my protein/molecule	What's new?
Hemoglobin - the protein in your blood responsible for oxygen transport HIV-1 protease - a protein made by the HIV virus, crucial for infection Lac repressor - controls expression of bacterial enzymes involved in lactose metabolism More...	All PDB entries (over 58,000) have pages <inputbox> type=search width=20 buttonlabel=Go searchbuttonlabel=Search break=yes </inputbox> Go takes you directly to the page if it exists, Search gives you search results More...	Mini-biography on Frederic M. Richards, an eminent protein structure and function researcher Mechanosensitive_channels:_opening_and_closing - channels involved in touch, hearing, and in maintaining osmotic balance 1e08, an iron-iron hydrogenase transferring its electrons to a cytochrome More...

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Want to contribute?
Pages are easy to create and edit, and Green links are easy to make!
Step 1	Step 2	Step 3
Request an account. (Members of the scientific community, including students and educators.)	Get started with our narrated video guide, then use our editing-help page as a reference.	Help expand existing pages like 1twc or Prion proteins; or start a new page on your favorite topic. We could use pages on DNA, Trypsin, & Myoglobin, among others. (Consider joining the Page of the Year Competition to win an iPod Touch.)

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What can Proteopedia do for me?
Scientists and Students	Educators	Structural researchers
Understand and communicate protein 3D structure-function relationships Example: Elongation factor SelB, the protein responsible for adding the 21st amino acid selenocysteine to a growing protein chain in bacteria, as seen in the PDB's Molecule of the Month.	Develop tutorials or molecular scenes to project during lectures Assign students to construct pages in Proteopedia for class projects or reports (You may protect your teaching pages from editing by others.)	Create supplementary material for your journal publications Create pages about your research team or institute, highlighting structures you have researched. (You may protect such pages from editing by others, or unwanted viewing pre-publication.)

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Read the paper
Proteopedia - a scientific 'wiki' bridging the rift between 3D structure and function of biomacromolecules, Genome Biology 2008, 9:R121 doi:10.1186/gb-2008-9-8-r121

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