Skip to main content
. Author manuscript; available in PMC: 2014 Nov 13.
Published in final edited form as: EcoSal Plus. 2014 May;6(1):10.1128/ecosalplus.ESP-0002-2013. doi: 10.1128/ecosalplus.ESP-0002-2013

Figure 5.

Figure 5

Synthesis of AI-2. In the activated methyl cycle, SAM is converted ultimately to homocysteine and DPD. LuxS catalyzes the last step in the pathway, resulting in DPD. AI-2 is derived from the unstable compound DPD.