1XYX:
reference: Prion protein NMR structures of elk and of mouse/elk hybrids., Gossert AD, Bonjour S, Lysek DA, Fiorito F, Wuthrich K, Proc Natl Acad Sci U S A 2005 Jan 18;102(3):646-50. Epub 2005 Jan 12. PMID: 15647363

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