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. 1999 Mar;181(6):1786–1792. doi: 10.1128/jb.181.6.1786-1792.1999

FIG. 4.

FIG. 4

Restoration of β-lactamase secretion by YvaL and SecG. β-lactamase activities were determined in culture supernatants as described in Materials and Methods. One unit of activity is defined as the amount of enzyme needed to give an increase in OD600 of 10−3/min. Means and standard errors from three experiments are shown.