3IYM:
reference: Backbone trace of partitivirus capsid protein from electron cryomicroscopy and homology modeling., Tang J, Pan J, Havens WM, Ochoa WF, Guu TS, Ghabrial SA, Nibert ML, Tao YJ, Baker TS, Biophys J. 2010 Jul 21;99(2):685-94. PMID: 20643089

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