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See detailCharacterization of the proteins encoded by the Bacillus subtilis yoxA-dacC operon.
Duez, Colette ULg; Zervosen, Astrid ULg; Teller, Nathalie et al

in FEMS Microbiology Letters (2009), 300

Abstract In Bacillus subtilis, the yoxA and dacC genes were proposed to form an operon. The yoxA gene was overexpressed in Escherichia coli and its product fused to a polyhistidine tag was purified. An ... [more ▼]

Abstract In Bacillus subtilis, the yoxA and dacC genes were proposed to form an operon. The yoxA gene was overexpressed in Escherichia coli and its product fused to a polyhistidine tag was purified. An aldose-1-epimerase or mutarotase activity was measured with the YoxA protein that we propose to rename as GalM by analogy with its counterpart in E. coli. The peptide d-Glu-delta-m-A(2)pm-d-Ala-m-A(2)pm-d-Ala mimicking the B. subtilis and E. coli interpeptide bridge was synthesized and incubated with the purified dacC product, the PBP4a. A clear dd-endopeptidase activity was obtained with this penicillin-binding protein, or PBP. The possible role of this class of PBP, present in almost all bacteria, is discussed. [less ▲]

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