1W8X:
reference: Insights into assembly from structural analysis of bacteriophage PRD1., Abrescia NG, Cockburn JJ, Grimes JM, Sutton GC, Diprose JM, Butcher SJ, Fuller SD, San Martin C, Burnett RM, Stuart DI, Bamford DH, Bamford JK, Nature. 2004 Nov 4;432(7013):68-74. PMID: 15525981

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