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. 2013 Feb 18;14(4):474–481. doi: 10.1002/cbic.201200714

Figure 4.

Figure 4

pH profiles of kcat/Km values for NAL activity of A) wild-type S. aureus NAL, and B) 165-γ-thialysine NAL. Kinetic parameters were measured for the enzymes using the standard NAL assay22, 38 at 30 °C in a three component buffer system.[39] The data are fitted to bell-shaped pH profiles.