2V05:
reference: Crystal structure of phosphorylcholine esterase domain of the virulence factor choline-binding protein e from streptococcus pneumoniae: new structural features among the metallo-beta-lactamase superfamily., Garau G, Lemaire D, Vernet T, Dideberg O, Di Guilmi AM, J Biol Chem. 2005 Aug 5;280(31):28591-600. Epub 2005 May 20. PMID: 15908436

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