2C4N:
reference: Structure and activity analyses of Escherichia coli K-12 NagD provide insight into the evolution of biochemical function in the haloalkanoic acid dehalogenase superfamily., Tremblay LW, Dunaway-Mariano D, Allen KN, Biochemistry. 2006 Jan 31;45(4):1183-93. PMID: 16430214

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