3CT5:
reference: Crystal and cryoEM structural studies of a cell wall degrading enzyme in the bacteriophage phi29 tail., Xiang Y, Morais MC, Cohen DN, Bowman VD, Anderson DL, Rossmann MG, Proc Natl Acad Sci U S A. 2008 Jul 15;105(28):9552-7. Epub 2008 Jul 7. PMID: 18606992

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