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. 1999 Apr;181(7):2158–2165. doi: 10.1128/jb.181.7.2158-2165.1999

FIG. 3.

FIG. 3

(A) d-Ala-d-Ala dipeptidase activity of crude extracts from wild-type and pcgL and phoP mutant Salmonella strains grown in N-minimal medium with 25 μM or 25 mM MgCl2. Data correspond to mean values of 20 independent assays. (B) d-Ala-d-Ala dipeptidase activity of S. enterica pcgL mutant strain EG9331 and of E. coli K-12 harboring the pcgL-containing plasmid pEG9122 or the vector pBR322. Data correspond to mean values of three independent assays. d-Ala-d-Ala dipeptidase activity indicates micromoles of d-Ala produced per milligram of protein per minute.