2D4G:
reference: Crystal structure of B. subtilis YjcG characterizing the YjcG-like group of 2H phosphoesterase superfamily., Li D, Liu C, Liang YH, Li LF, Su XD, Proteins. 2008 Aug 15;72(3):1071-6. doi: 10.1002/prot.22093. PMID: 18473364

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