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Chiral Vince lactam (γ-lactam) is an important precursor of many carbocyclic nucleoside analogues and pharmaceuticals. Here, a (+)-γ-lactamase encoding gene delm from Delftia sp. CGMCC 5755 was identified through genome hunting. To achieve its soluble and functional expression, Escherichia coli and Bacillus subtilis expression systems were introduced.(More)
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