4JPN:
reference: Icosahedral bacteriophage PhiX174 forms a tail for DNA transport during infection., Sun L, Young LN, Zhang X, Boudko SP, Fokine A, Zbornik E, Roznowski AP, Molineux IJ, Rossmann MG, Fane BA, Nature. 2013 Dec 15. doi: 10.1038/nature12816. PMID: 24336205

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