2X53:
reference: Structure of lactococcal phage p2 baseplate and its mechanism of activation., Sciara G, Bebeacua C, Bron P, Tremblay D, Ortiz-Lombardia M, Lichiere J, van Heel M, Campanacci V, Moineau S, Cambillau C, Proc Natl Acad Sci U S A. 2010 Mar 29. PMID: 20351260

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