<p>Prion protein expressed in E. coli, purified and fibrillized at pH 7. Recombinant proteins such as the prion protein shown here are often used to model how proteins misfold and sometimes polymerize in neurodegenerative disorders. Credit: NIAID
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Note: Image taken in 2004 for a research project by Roger Moore, Ph.D., at Rocky Mountain Laboratories; eventually published in 2007 in Biochemistry.  This image was not used in the publication and is fine for open use.
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