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. 2010 Aug 19;5(8):e12312. doi: 10.1371/journal.pone.0012312

Figure 4. Inhibition study of OcDH by using agmatine.

Figure 4

A Lineweaver-Burk plot is shown for the activity of OcDH at fixed L-arginine concentration and increasing levels of agmatine. The double reciprocal representation shows that all concentration of the inhibitor analysed crossed the y-axis at the same point, which indicates the OcDH is inhibited by agmatine in a competitive manner.