2NW0:
reference: The 1.6 A Crystal Structure of the Catalytic Domain of PlyB, a Bacteriophage Lysin Active Against Bacillus anthracis., Porter CJ, Schuch R, Pelzek AJ, Buckle AM, McGowan S, Wilce MC, Rossjohn J, Russell R, Nelson D, Fischetti VA, Whisstock JC, J Mol Biol. 2007 Feb 16;366(2):540-50. Epub 2006 Nov 18. PMID: 17182056

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